There one with a machete and one girl saying theyre stopping everyone, theyre stopping people. We believe we are experiencing a new trend in the threat we face as terrorism breeds terrorism. A terrorist rampage through london. Im Martin Savage in atlanta. This is our special coverage. Clarissa ward is in london. Shell join me momentarily. We want to welcome our viewers in the u. S. And around the world. We are following new developments in the investigation into londons deadly terror attack. I. T. N. Is reporting this video. They say it comes from an eyewitness who says that these are the three attackers rooming through borouwho used the ram intentionally running down pedestrians. Seven people are dead. 48 injured. Those attackers were shot and killed by police. 12 additional people have been arrested. It is the second terror attack in the uk in just 12 days. Although there are no initial indications that are connected, british Prime Minister theresa may says they were carried out because of, quote, evil ideology of islamist extremist. But brits are vowing to not live in fear. A benefit concert for the victims of last months attack in neighboring manchester is not going to be canceled and it definitely will not be silenced. Reporter we have a team of reporters covering all angles of this story. Were here now in londons Borough Market. This was scene of mayhem last night. Im joined by cnn Senior National correspondent alex marquart. What are you learning . Theyre making process pro congre progress in identifying the attackers. Theyre the only three involved in the attack. Theyre saying they dont believe any more elements involved in this attack are out there. Thats why theyre maintaining the alert level at the second highest. Theyve arrested 12 people possibly connected with these attackers. The commissioner of the metropolitan police shopoke wit police. We have established the venue during the attack was a white rental van that was recently hired by one of the attackers. As our understanding grows, we now understand that the van at London Bridge started the attack at 2158 hours yesterday as he went from north to south on the river with members of the public calling police a few minutes later. The van collided with pedestrians before being abandoned where attackers armed with knives continued into the Borough Market area stabbing numerous people. The attackers were then confronted by the Firearms Officers and i confirm that eight police Firearms Officers discharged their weapons. Reporter keep in mind here in the uk most Police Officers dont carry firearms. They carried 50 arms into those attackers what the commissioner called an unprecedented amount of firepower. The reason they fired that many round system because they believed they were wearing suicide vests. As it turned out they were wearing fake suicide vests. In the exchange of gunfire, one public member was wounded. The death toll stands at seven. 48 people who are wounded, 21 critically wounded so that death toll still could rise. Alex, thank you. Well be checking in with some of the wounded later on. Lets bring in Cnn International diplomatic editor nic robertson. Nic, police have conducted several raids what are they looking for and how many have they taken in custody . Reporter there are several things going on. Police are asking organizations if they have pictures of the attackers and picks sill late the faces. They dont want to provide any further information on the people behind the attack because they want to be able to get on and arrest as many people as aassociated with these men as people. They dont want to give an opportunity for any of those who might have been involved to escape. The police have arrested 12 people in the east of london. There is a very big and strong vibrant Muslim Community in the east of london. But it is telling that the police have made their first arrest there. Which perhaps gives us the best indication that we have so far of maybe where these three attackers came from. Of course, we cant say that we cant say that with a surety. The Westminster Bridge attacker came from outside of london. He had lived most recently in birmingham. But in this particular case, these arrests do seem to indicate that perhaps these three attackers did come from london. But the police are not providing any information about that. Which is quite normal. Ive spoken with a local one who came here today and i was asking him specifically what about theresa may has said that in our communities she laid out her four ways to tackle this change in the Terror Threat in britain. She had said that there was too much tolerance of extremism in the communities and the one i spoke to said look, you cannot continue to blame and point the finger at muslim communities here because he said we have been talking about this for years. We are trying to stop this. Were doing our best in our communities. This is about everyone trying to work together. And interestingly, he like the Prime Minister pointed the finger of blame at recruitment not on mosques, but on the internet, the way that isis and other groups recruit on the internet. Of course perhaps the use of the internet by these three men may excuse me, may also provide the police with the clues that they need to continue this investigation. 12 arrests so far. Cl r clarissa, we cant expect more. Im just curious, because there seems to be every indication that the network was not larger than the three men, the attackers themselves who were shot. Yet weve seen 12 arrests. Yet there have been raids. Who are these 12 arrests if theyre not connected to a potential network . Its quite easy for our viewers to imagine that when the Police Make Arrests like this, then this is an indication that these 12 people will be connected in a participatory or at least a negative way. What we witnessed here f we look back to that westminster attack, the Police Arrested close to a dozen people, mostly in the birmingham area, some in other parts of the country. Within a week, one a week and a half they had released all but one of them. What the police seem to do, again, with the birmingham, if i just compare with the westminster arrest, the arrests that came immediately, the soonest arrest, the quickest arrest after the incident were the people excuse me again were the people that lived had lived most recently with the attackers. So is that the case here, that the police have gone to the addresses where these men lived and simply arrested to question to get a better background, a better understanding of the people most recently or most closely associated with the men. This is possibly whats happening. We dont know. The police of course at this stage in their investigation are keeping the details and their reasoning and rational and the results as well, keeping that very much to themselves. But its quite possible well see many of those who have been arrested already today released. But i think thats why we can expect more arrests as the police dig deeper into their lives. That circle of a Association Contact gets bigger because the police want to know who they were speaking to, who might have influenced them. Is there somebody else out there in the community that influenced these three men a month ago, two months ago, three months ago, five months ago . That has been influencing other young people and who are those other young people that may be influenced and they need to get to them. They need to know who they are. Thats the urgency of the situation here right now. These men may have acted alone, but their associates may, may be inspiring others. All right. Nic robertson, thank you so much. As always, martin, back to you in new york. Last nights attack makes nine terror incidents in europe since 2015. To talk about all of that we have our panel. Will is the managing director at the International Corporation protection group. Michael is the former director of the house intel committee. David rohde is online news director for the new yorker. Will, let me start with you. What more can governments do to try to prevent these kind of attacks . We have seen them. Weve seen attempts to try to block them. They still keep happening. I think, again, it is to a certain degree relative. I think we have to be quite prag pragmatic to a certain degree also about the number of attacks that materialize and have been followed by the various intelligence Government Agencies and Counter Terrorism capabilities. There is a lot of catching up that needs to be done. Some very significant attacks across europe. For us in the United Kingdom, 7 7 was very much our wakeup call. For france it was charley hebdo. Certainly the berlin christmas market. Theres a lot of catching up that needs to be done. Really the best efforts i would say most productively focused b would be in assessing and analyzing the cycle of the terrorist is a great deal more. One of the key elements is not only the point of recruitment, but radicalization and how that can be delivered in its various different forms. Where we may as society have to relinquish certain degrees of privacy to those agencies because it is becoming an insurmountable task, we need to be able to afford the able to be able to mask surveillance, particularly those individuals. Let me broaden this conversation. David, british Prime Minister theresa may today, by the way, vowed to crack down on the extremism thats fueling the terror attacks. You would expect her to say this, but the question is how does she really do that . Thats the problem. How do you define extremism in a legal sense that will allow british authorities to arrest someone before they carry out these attacks and not violate civil liberties. Its a real challenge. Theres really no consensus on somehow striking a balance between some surveillance in terms of what Technology Companies are allowing the government to do and what the public will accept. There was some talks about this under the obama administration, but there really wasnt much head way on it. Its evolved in a very extreme situation where the private sector says no surveillance whatsoever. There has to be total open. A consensus on that where you it was almost as if both sides dug their heels in. Michael, do you fear that there are risks for americans, both here in our own country but also traveling abroad given what youve seen now . Yeah, i do fear for that. Here in the United States, look, we dont vt problehave the prob they have in western europe because of their proximity to the middle east and isis itself. We say that but we also know this could come over the internet. It isnt like the physical form of a person from syria that plots in Great Britain. I was just going to say the same thing. Orlando and san bernardino, we are not immune. People can get radicalized via online. In fact, look, i think were coming for a reckoning here with technology and the needs of government to go after terrorists. David talked about the encryption debate. The confederates and terrorists have spoken vie encrypted applications on their smartphones. Governments want access to that. I think the most striking thing, at least i learned from Prime Minister mays speech this morning, was that she really like ended the internet safe zones to what were traditionally talking about in Counter Terrorism which is physical safe zones like afghanistan or syria for which we take military action. So these sort of technology and Law Enforcement issues i think are going to have to come to a head here in the not too distant future. Will, thats really a very fascinating point thats being made there. Im wondering, we see these small scale attacks. We see the one using a vehicle, using knives. This is something both al qaeda have been pushing for years and theyre doing it over the internet. The message is still getting through and clearly people are acting on it. Absolutely. There are certain legislations which are coming to effect in continental europe. Particularly germany is a good example where there are fines which are levied against isps that are allowing criminal content to remain online for more than 24 hours. Some of these fines are going up to 50 million euros. Universally we need to we need to sir vcup vent it. But its the widespread prop mitigation to try and insight or encourage those to carry out these attacks. The more that we can filter them into certain corners the easier it will be to come back. David, as we talked, one of the fears had always been that you had these people who went to fight in syria. They got the training and then they come home. Now we see thats not necessarily the case. Isis would say hey, dont come to syria. Stay where you are and launch attacks. We saw that in france. It appears we may see that in Great Britain. We could easily see that here. That is a very frightening thing when it comes to trying to stop it or not about it. That has occurred in the United States. There was the incident in ohio where a young man rammed a crowd. Didnt kill anyone. And whats really disturbing about the three attacks now in britain is the middle attacks that happened in manchester of a New York Times reporter that salman abedi, he travelled to lydia and met with the Islamic State and he was able to divide the very powerful and deadly bomb. Then you have the first attack of the three which was, you know, a home grown case. This is where the gentleman rksz y , you know, rammed his car into people in london. As there is progress, the i Islamic State is losing territory rapidly, but they do seem to disbursing their fighters to places like libya or sending them back to europe. We dont know anything about these three men. So there is progress. As they lose territory, theyll become less effective, but its going to be a very difficult transition period. It almost seems that they become more desperate as they become more confronted by conventional forces. Thank you all for joining us this morning. The london rampage is not stopping the United Kingdom and Ariana Grandes one love benefit concert that is moving forward as planned. Cnn phil black is there. Ariana grande just took the stage. Phil, it must be a remarkable sight and sound. Reporter an extraordinary atmosphere here in manchester as some of the biggest pop stars in the world and 50,000 people are in the space behind me singing and dancing and making a defiant gesture against the terror attacks. Well have more just after the break. Even a coupe soup. [woman] so beautiful. [man] beautiful just like you. [woman] oh, why thank you. [burke] and we covered it, november sixth, twothousandnine. Talk to farmers. We know a thing or two because weve seen a thing or two. We are farmers. Bumpadum, bumbumbumbum what would help is simply being able to recognize a fair price. Truecar has pricing data on every make and model, so all you have to do is search for the car you want, there it is. Now youre an expert in less than a minute. This is truecar. Theres nothing more than my vacation. Me so when i need to book a hotel room, i want someone that makes it easy to find what i want. Booking. Com gets it. They offer free cancellation if my plans change. Visit booking. Com. Booking. Yeah. That stood up to any amount of sunlight. No matter how bright. If a paint could protect your doors color against the strongest uv rays. Is it still paint . Aura grand entrance from Benjamin Moore ®. You all the time. Ories am i going to pass away like my mom did . And so you know this is something thats important. Losing my mom to Heart Disease and then being diagnosed myself. Its like a war were trying to fight against these diseases. Resilience is in my dna. I wont die like my mom. Its a big challenge, but the challenge alex marquar in these peoples lives. Ence that would be my dream. Welcome back. Im Clarissa Ward in london. Ariana grande just took to the stage at the con love concert in england. It is a concert for the victims of a suicide bombing in that city less than two weeks ago. 22 people were killed. The performers refused to be silenced by the latest act of terror here in the uk. Despite yesterdays attack in london, the show goes on right now with heightened security of course. Now were hoping to have joining us Cnn International correspondent phil block who is that. The crowds are just staggering. What is the mood of the crowd . Reporter staggering, they were loud. I thought they were loud and then Ariana Grande came on stage. Were going to pan the camera and show you a little of what we can see at the moment. Ariana grande is on stage right now. She just finished a huge rendition with the black eyed peas. If there was a roof it would have came off. It was extraordinary to see. This crowd is enjoying this so much. The atmosphere, it is warm, it is loud, they are singing, they are dancing. As i said, it is just an absolutely extraordinary event to witness, really. From the atmosphere, the mood here, you could not really think that this is a community, a city that was torn apart by terrorism just two weeks ago. Remember a good part of this crowd were actually at ariana gr grande a concert in the Manchester Arena two weeks ago just before that terror attack. Many of them ran for for as they heard the explosion that took place outside. Today this is a gesture that says were not going to be were not going to take any of that too seriously. Were not going to worry about that. These people, some 50,000, have been waiting outside for hours. Theyve come under very strict security. Theyve all been searched individually. They havent allowed this to ruin their mood in any way, shape, or form. They are having a truly phenomenal time. Ariana grande hasnt done much talking. Its all been about the singing. She hasnt explained why she thought it was important to come back. She left that to her manager who came on the stage and said that ariana had called him after the terror attack and said that if we dont do anything, i dont think i could live with myself. And so this is the result. This extraordinary event pulled together at very short notice. One that the aorganizers say wa all about the attack in manchester but means so much more after the attack in london as well. An extraordinary event and an extraordinary responsibility for security services. Give us a sense of the protocol or procedures that theyre taking to make sure that this all goes off safely. Reporter indeed. Its one that the Manchester Police seem to have embraced whole heartedly. They are in full support. Theyre the ones that have provided all the security in the streets surrounding the area while maintaining a heightened level of security and visibility across manchester as a whole. Across this city so many things appear to have gone back to normal, but for the security presence, the police presence, you see it everywhere. They acknowledged it was something of a controversial decision to do this so soon, but not all the victims of the attack supported the idea. For some it was just too soon to come together in this way. But the majority of the victims are said to have supported it. And s so the decision was made to proceed. The crowd and the community has gotten behind it entirely. And so thats why youve seen this huge gathering of people come together in what can only really be described as a truly joyous event so soon after such a terrible period of suffering and trauma for the people of this city. Phil black just awesome to see those crowds in manchester. Thank you so much. Still to come, donald trump sparking a back lack among uk leaders after criticizing londons mayor in the aftermath of the terror attacks. What he said and how theyre responding next. 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President s tweet does not congress the full content of mayor khans remarks which was that londoners should not be alarmed due to the increased police around the city because they were necessary to maintain safety. Here to discuss all of this, bri bri bri brian. Brian, let me start with you. Twitter seems to be the president s direct course of communication. Does it pose a problem when especially after a terror attack his first remark about that attack is to sort of confirm a political act . He wants the courts to act in his favor on a travel ban. Indeed. It begs a question and it begs a really disturbing question which is what would President Trump say in the event of a serious terrorist attack on u. S. Soil . We have seen him respond to attacks in britain and other countries. What would he say or what will he say god forbid on the day that Something Like that happens in the United States . He does seem to be sewing peoples fears and tap into peoples fears on what theyre seeing on television. Whats interesting about this is we have not seen an official white house statement. Theres not been the normal two or three paragraph condemnation of the terrorist attack that white house would put out. So these tweets in effect are the only information weve received from the white house about what the president s thinking what hes feeling. We say their tweets because theyre posted on twitter. There they all are, 140 characters at a time. They are the official response of the white house so far in the 21 hours since the attack. Right. I think youre safe to say that. Julian, there have been sharp backlashes from several uk leaders to trumps criticism. One Labor Party Member calling it, quote, cheap, nasty and unbecoming of a national leader. Another labor politician said that trumps state visit should be canceled. How is this going to strain relationships with Great Britain . Look, Great Britain is looking for support in a moment like this. Theyre looking for the United States to offer assurances that we will do whatever is necessary to prevent these kinds of attacks. I think everyone is taken a back that the president s first instinct in addition to pushing his executive order here in the United States is to go after the mayor and to go after the mayor of london out of context. So these are exactly the kinds of statements and the kinds of actions b actions by the president that have been doing an enormous amount of strain skpi think ian its a problem. It may play with his base. Trumps job at the mayor, mayor khan of london, theyve had some back and forth before and i want to ask you this. When it comes to acting as the president seems to be doing against the mayor, this is a time when you would have expected that second tweet. Were behind you, britain. Instead, you get this back and forth and people are going what is going on . There was one of those expressing solidarity with britain last night. Then this morning maybe he was woo watching fox. He seemed to be provoked to share political twtweets. The president picks targets. Maybe thinks hes in a long running feud with the mayor of london. They have had words exchanged before. It was clearly out of context, though. When you see that quote on screen, no reason to be alarmed. What the mayor was saying was youre going to see more security on the streets of london. There is no reason to be alarmed about that. Same thing de blasio said here in new york. Same thing we hear from other cities when security is stepped up. Nothing unusual from the mayor of london. If Kellyanne Conway she would say its president ial because its the president saying it. Let me stop you. I want to bring in julian. At best the president misunderstood the mayor. At worst hes actually misstating his message. Right. Look, he often takes bits and piec pieces of what people say and uses the bits and pieces he wants to send out a message. The irony is the mayors point is that we cant undercut our Democratic Institutions and values because of the fears that these kinds of terrorist attacks generate. We cant play just to the fears. We also have to play to the best that all of our cities and suburbs and rural areas have to offer. So in some ways President Trump is doing exactly what the mayor of london is trying to stop him from doing. We dont know if hes taking pieces of what he said and purposely twisting them out of context or doing it by accident. But in some way its doesnt matter. What matters is what comes out of this president ial tweet and what people read. Right. Julian and brian, as always, thank you very much. Still to come, startling new images of the moments after the london terror attacks. As First Responders pitch in to help whothose who were wounded. Zel. 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Hepatitis b, are prone to infections,. Or have flulike symptoms or sores. Dont start humira if you have an infection. Just managing your symptoms . Ask your gastroenterologist about humira. With humira, remission is possible. Im Clarissa Ward in london where we are learning more about the terror attack that left seven dead and 48 wounded. Heres a look at the white van used on the attack on london bri bridge last night. At least one pedestrian is thought to have jumped into the river to escape being hit. This is dash cam video taken after that van rammed its way along the bridge mowing down pedestrians in its wake and leaving london in shock. And this is new video just in to cnn cnn. It shows the chaos in london as the city was held in the grip of yet another terror attack, the third one in three months. We have Team Coverage here. Cnn International Correspondent melissa bell is following the investigation and saima is tracking. Tell us where you are and whats the latest youre hearing of the investigation . Reporter just behind me, one of the apartment blocks that was raided first thing this morning here in the east of london embarking. Its still cordoned off and for more than 12 hours police have been going through with it a fine tooth comb. The police are remaining tight lipped about how far the investigation has gone. Precisely what its managed to uncover. We havent had confirmation of of the identity of any of the attackers. One recognized from the photographs that have been circulated in the British Press that they recognize their neighbor. The man they say lived here with a wife and one child. A man they say they had no suspicions about and had no reason to suspect at all. They have shown us to the mosque where they say hes prayed. That mosque has just put a statement neither confirming or denying the fact that any of these men prayed there but extending their condolences to the families that have been so trage trage hurt by last night attack. Outside the apartment where one of the raids took place. Now we would like to talk to saima. Britain Prime Minister paid a visit to one of the hospitals this afternoon. What you tell us about it . Reporter clarissa, hello from Kings College hospital in london where theresa may did pay that visit in private to the victims and some of their families that were alongside them. We werent told that she was due to visit. Perhaps that was because of the high levels of security right across london. But we did see increased increased police activity. There are still police stationed outside this hospital, right around the perimeter. This is accidents and emergency. There have been up to five police vans at one time here as well. Now, 14 of the 48 injured people that were brought to hospitals last night were brought here to Kings College hospital. One of them has been discharged. And another one is a man called daniel oneill. Hes 23 years old. A short while ago we managed to speak with his mother who spoke with extraordinary emotion and composure really. She told us exactly what unfolded. She told us that he just stepped outside a bar in burrow market. He was making a call to his mother who was due to meet him when a man came running up to him. Now we know this is one of those terrorist attackers and took a knife out and said i am doing this for my family, i am doing this in the name of islam, and he stabbed him. Thats how the mother showed us. And he stabbed him in the stomach and he had a 7inch wound. Hes now under treatment here. Daniel was then taken inside that bar where Police Told Everyone to lie flat on the ground. Luckily one of his friends knew how to tie a tourniquet which basically stops the blood flow. When they were able to leave, more stories of heroism. They lay him flat on their lap and pressed down on his wound and kept him going until they brought him here to the hospital. This is what his mother had to say. He was in shock and he said i dont think work will believe that this is happening, im going to have to go in on monday, but he was in shock. I said to him its because you dont believe its happened, daniel. You think other people are going to find it hard. And he feels very bad that hes alive while others have died. Extraordinary emotion and composure showing there. The other also said that the first rule of any religion is shall shalt not kill and the terrorist will not divide londoners and they wont bring hate into her heart. All right. Incredible stories of heroism. Thank you. Our special coverage from london continues right after this break. Where you stand with politics or any kind of faith, i feel like it has united the people against such a terrible, terrible thing. I saw a lady taking her kids around some corner. She probably seen everything i h hadnt seen. The looks on their faces, you could tell sai when i look in the mirror everyday. When i look in the mirror everyday. Everyday, i think how fortunate i am. I think is today going to be the day, that we find a cure . I think how much i can do to help change peoples lives. That helps me to keep going to cure this. My great great grandfather lived to be 118 years old. Ive heard many stories from patients and their physicians about what they are going through. I often told people oh im going to easily live to be 100 and, uh, it looks like i might not make it to retirement age. We are continually learning and unraveling what is behind this disease. I may not benefit from those breakthroughs, but im sure going to. Im bringing forward a treatment for alzheimers disease, yes, in my lifetime, i will make sure. Itthat can make a worldces, of difference. Expedia, everything in one place, so you can travel the world better. Here in this country several state governors have already reacted to last nights attack on the bridge. And many sent condolences. Governor cuomo in new york said he will be stepping up security at high profile locations. What are they saying about this . After any attack like this, you will see heightened security concerns. The department of Homeland Security quickly issuing a statement saying there was no information of any credible or specific threat here in the United States. Officials and Police Departments across the country are echoing that sentiment. As you mentioned, new york city and other big cities like los angeles and San Francisco are asking residents to remain vigilant, are asking them, telling them not to be alarmed if they see an increase in security, police presence. Heres what new york city mayor bill de blasio had to say. When incidents occur such as the one in london last night, we put our special units such as a Critical Response command, on key duty at locations around the city, particularly well traveled, particularly prominent, all relate to the attack that was undertaken. That means new yorkers today will see a heavier presence at key locations around the city. You will see a Stronger Police presence including our counterter are forces. Martin, this is not something unusual, this is something we have seen far too often unfortunately in recent years. Youre right about that. We also know people take to social media to communicate. A lot of celebrities have been talking about this as well . Thats exactly right. We have had tweets from oprah and mariah carey offering condolences and the we also had tweets from miley cyrus performing there tonight and tweeted a photo of that concert with the hashtag we stand together and thoughts are with the people of london after another horrific attack. Thank you very much. Still to come, we will get back to london and hear from one eyewitness from the Borough Market attacks and one powerful message moving forward. I was more scared then than i am in a bizarre way. This people cannot win. We cant have a situation where they seek to divide us. Ily hist went to ancestry, i put in the names of my grandparents first. I got a leaf right away. A leaf is a hint that is connected to each person in your family tree. I learned that my ten times great grandmother is George Washingtons aunt. Within a few days i went from knowing almost nothing to holy crow, im related to george washington. This is my cousin george. Discover your story. 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If us drinking gin and ontoics and flirteding with hand assume men and being friends with brilliant and powerful women offends these people so much they do those barbaric, vial and cowardly acts, i will go back and do more not less. That is what london will do. We will pull together. Manchester and britain is londons town and were up to the fight. He wasnt the only one with the keep calm and carry on london spirit. This picture has become an iconic symbol of life after the attack, and unidentified man fleeing the scene carrying his quintessential british pint of beer and you will see that spirit among the thousands of fans attending the benefit concert in manchester just two weeks after the bomb went off at an Ariana Grande concert, killing 22 people. The next hour of our breaking news starts now. This is cnn breaking news. Hello. Im martin savidge, in for fredericka whitfield. I want to welcome our viewers in the United States and around the world. And im Clarissa Ward in london. New witness video into cnn shows the panic and confusion as Police Responded to calls of a van mowing down pedestrians on the iconic London Bridge. Authorities have just towed the van from the scene. Three men drove past the Borough Market, abandoned the vehicle and went on a stabbing spree. Seven people dead, 48 injured. Those three attackers were quickly shot and killed by the police. 12 others have been arrested. It is the second terror attack in the uk in just 12 days, although there are no initial indication this is an are connected, british Prime Minister theresa may says that were carried out because of evil ideology of islamic extremism. Brits are vowing to stay strong. A benefit concert for the victims is under