Off in new yorks chelsea neighborhood have been released from the hospital. But the investigation into that bombing and a second unexploded device found in the area is just beginning. It happened hours after another homemade bomb went off at the jersey shore before a 5k race benefiting sailters and marines. We begin in new york with anna werner. Reporter Surveillance Video relegalled revealed a white flash of the explosion as the blast at about 8 30 saturday night sent people running. Still unanswered, who set off the bomb and why. New york city mayor bill de blasio. It was invention intentional it was a violent act it was certainly a criminal act. Reporter the blast injured more than two dozen people. This man was just a block away driving west on 23rd street with his wife when he felt it. A massive shock wave. Your wol body shook. And my ear was sort of numb, my right ear specifically. So yeah, it was pretty traumatic. Reporter about two hours after the bombing, a pair of new York State Troopers canvassing the area noticed something next to a dumpster. New York City Police commissioner jim oneill and his second day on the job says they probably saved more lives. They circled the block. They parked their vehicle and actually walked down the block and that is how they found it they did a great job. Reporter the Pressure Cooker they found was taken away by the bomb squad and is now become analyzed for clues as to the origin. Authorities are sifterring through surveillance camera video looking for a suspect and are asking for the publics help. For all new yorkers, a central message we want to give today is be vigilant. Be vigilant at this point in time. Reporter now two Law Enforcement sources tell cbs news that components believed to have come from a Pressure Cooker have been recovered at the scene of the explosion behind me. Those along with parts from a cell phone that a federal source says is believed to have been used to set off that device, reena. Reporter anna werner, new york, thanks anna. The fbi is calling a stabbing spree at a minnesota mall saturday night a potential act of terrorism. Kenneth craig has that story. Reporter armed with a knife and dressed in a private security uniform, police say the attacker inside this minnesota mall left nine people wounded in his path. The ordeal sent shoppers at the st. Cloud mall scrambling for safety and investigators trying to determine if it was carried out by an isisconnected or inspired terrorist. We will try to sort of peel back the onion and figure out what motivated this individual. Reporter an Islamic State run news agency is calling the attacker a soldier of the Islamic State. Law enforcement sources described him as a 20 year old minnesota man. Officials say he mentioned allah during the spree and asked people if they were muslim before deciding whether to attack. Authorities are crediting an offduty plition officer for saving lives, who shot and killed the man as the attacker was coming at him. He, again, protected others from being injured, with potentially loss of life. Clearly a hero. Reporter authorities have not publicly identified the attacker but leaders of the somaliamerican community have. They say as far as they know he never had any sort of violent history. Ninan we hear that so often. Thank you. Justice and Homeland Security correspondent jeff pegu ees has been talking about officials about the case. Where you can tell snus. Investigators are not definitively made the connection between the bomb in manhattan and the one in seaside park new jersey. But Law Enforcement sources say both used similar components. A clear picture is emerging about what happened in st. Cloud, minnesota, and the motive behind that attack. Witnesses tell police the man in that attack who stabbed nine people were asking if they were muslim. Those who replied they were not were stabbed. Sources say the man had recent run ins with police ang lived in minnesota. An isis related website is claiming that the attacker was an isis soldier. But investigators are still trying to confirm that that is accurate and the nature of the suspects connection to terrorist organization. Authorities are also trying to explain all of the evidence in that case. For example, reena, they will be scrubbing his Electronic Devices to see who he was communicating with before the attack. Ninan jeff, thank you. We are following another developing story in syria. On saturday a u. S. Coalition air strike targeting isis. Mistaken took out Syrian Government troops. It threatened a ceasefire brokered by the u. S. And russia who have been fighting on opposite sides of the war. Under that size fire ice kiss still be targeted. Elizabeth palmer has more from the wartorn city of aleppo. Reporter the air strikes have put extra strain on this ceasefire which is in its sixth day now and broadly speaking it is holding. Although here in aleppo the sound of the artillery is louder and more sustained tonight than its been all week. The pentagon says that a tank and several vehicles near the airport has been identified as an ice is target but that was wrong. When the russians called to say Coalition Strikes had actually hit the syrian army instead, the mission was stopped right away. But by then say the syrians, more than 60 of their soldiers were dead and more than a hundred wounded. On the streets of aleppo, people who get their news from syrianstate tv believe the strikes are proof of a great conspiracy. Mohammed isnt shy about saying it. Of course the u. S. Is supporting isis, he tells us, using the arab word for the group. Daryb. So why have americans been dropping bombs on daesh. Oh, he says, that is ju for show. Crazy as it sounds, that is what syrian soldiers who wouldnt go on camera told us too. The russians have lambasted the americans over these strike3 saying that so far they have been unable to give an adequate explanation of what happened. The pentagon for its part is investigating trying to figure out how it could have got the target so wrong. Reena . Ninan liz palmer, reporting from aleppo, syria. With the election just seven weeks away a new cbs poll Shows Hillary clinton and donald trump tied in 13 key battleground states. Errol barnett has the latest from washington. I will consider it a personal insult, an insult to my legacy if this community lets down its guard and fails to activate itself in this election. You want to give me a good sendoff, go vote reporter president obama making a passionate plea as Congressional Black Caucus gallona saturday night as new cbs polling shows the race to succeed him is essentially tied in battleground states. Hillary clintons lead in 13 states has vanished with 32 preferk the democrat and an equal number favoring donald trump. Republican vp nominee mike pence today. Well, let me say that the momentum in this campaign is really overwhelming. And i think its because donald trump has been focusing on issues the American People really care about. Reporter the new cbs poll also reveals when it comes to who is more trusted to bring change to washington, trump leads clinton substantially by 27 percentage points. While clinton is only slightly more trusted to handle the presidency well day to day, leading trump by 8 percentage points. Democratic vp tim kaine tried to boost public trust in clinton over trump. I would trust her with my sons life. He demonstrated that he shouldnt be within ten time zones of being commander in chief. Reporter both campaigns are currently preparing for the upcoming debates, their last shot sto shift public opinion. Clinton and trump face off a week from monday. Their first of three. With pence and canee meeting october kane and pence october 4th. Thanks, errol. A North Carolina the start of a new football season turned tragic for a Junior College team headed to their first game. Four people were killed and more thab 40 others injured when their bus crashed on interstate 74 near rockingham. Omar villafranca has the storree. Reporter the charter bus was carrying members of a Club Football team when the front left tire blew out sending the bus careening into i a guard rail. Four passengers including the bus driver were killed. 42 others were injured. I was listening to the music. Out nowhere, the tire pops within the quarterback was sitting in the back of the bus. Like we all jumped up, that is when the paramedics came, and all that. Theyre calling my frent tito, calling his name. What is going on. I was on the other side. Among the deceased are players tito hamilton, 19 and devante gibson, 21. Both students of quinn ton college in rock hill, south carolina. Darise hicks the ten year old son of a coach was also killed. Investigators are looking into the bus companys safety record. The drivers history as well as the speed. Lieutenant jeff gordon is with the North Carolina highway patrol. Ive been doing this job for 23 years now. Ive seen my share and this is probably one of the worst. Especially when you have a group of students, just starting their lives. Reporter injured players returned to the small, private college today, devastated by the tragedy. The ntsb is looking too the crash. Clinton college released a statement saying their top priority is to offer support to the traumatized student body, faculty and staff. Reena, all classes are cancelled tomorrow. Ninan thank you, omar. Outside phoenix a burning airplane crashed into a home in gilbert, arizona, incredibly no one was heart. Mireya villarreal explains how that happened. Reporter from the front of the home t might look like the garage took the brunt of the plane crash. But from the sky you can see the magnitude of the damage, a home completely destroyed. The sky diver as board were supposed to land at a festival three miles away. That san airplane. That thing is crashing. Reporter instead, the plane caught fire forcing them to make an emergency exit. There is another one. Reporter four passengers and the pilot all par chuted safely. You can see them here, their par chutes illuminated moments after diving out of the burning plane. The people who live in the home were watching tv when the unpiloted plane smashed down. Gilbert fire captain gary hiltedbrant says the flames wickly spread from the garage to the rest of the house. They didnt receive any injuries or anything at all. So that is amazing in itself. And for it to just hit one house, that is also pretty incredible. Reporter crews were on scene today removing plane wreckage from the home. Reena, federal investigators will now try to figure out what caused the plane to catch fire and crash. Ninan mireya, thank you. Coming up next, a gasoline pipeline spill threatens fuel supplies across the southeast. Ninan fuel supplies in at least five states are threatened by a gas pipeline spill in alabamament Tony Dokoupil has this story. Reporter when its working, the colonial pine line line one carries fuel from houston to new york filling the gas tanks of millions of people. And when its not working, this is what happens. Long lines, mamout price spikes and even dry pumps in part of georgia and tennessee. Its all because of a magazinessive fuel spill in central alabama. At least a quarter billion gallons of gation erupted from an underground pipe. Its been shut down since the spill was discovered september 9th. And now six Southern States are under emergency orders allowing fuel trucks trucks trucks to wos in hopes of averting a crisis. We have a pipeline burst and there say shortage so im trying to fill up. Three gas stations all empty. The station down the street didnt have any gas. Patrick is a Senior Petroleum analyst at gaz gas buddy. He says the south should praises brace for 20 to 40 yentd price bump per gallon. I dont think we have seen such a large disruption anyones Hurricane Katrina in 2005. It sends in northern new jersey. Right now crews are working on excavating the pipe and fixing it but with no time table for a return to normal service, the east coast of the United States is being served by truck and also tanker ship. Ninan tony, thanks. Up next, well hear from secret service sharp shooter as signed to protect the president. Ninan president o bma arrived in new york this evening for the start of the United Nations general assembly. As always the president is accompanied by hundreds of secret Service Members watching his every move. Margaret brennan met some of the Sharp Shooters in charge of protecting him. The secret Services EliteCounter Sniper Team is trained to hit targets dead on. In the forehead. We have to be ready to drop down and take that shot. Reporter or in the worstcase scenario put themselves in the line of fire. Travis has been on the force for a decade. You signed up to take a bullet for the president. Yes, maam. Reporter thats a lot to sign up for. It is. Absolutely. Reporter wherever the president is, countersnipe ares protect him from above. They work in teams of two, armed with highpowered assault rifles that can hit wouldbe assassins hundreds of yards away. The key to an accurate hit is the wind caller. Here is travis. Telling his partner precisely how to aim to counteract the wind. So you really have to trust the partner. Absolutely. That you are working with, completely. You can take the shot, you can make the call, either way. If i see the target, i will drop down, will start calling. If he sees the target, i will become the communicating wind call. And he is just thinking about pressing the trigger. Reporter the most complicated scenarios are in crowds overseas in unfamiliar terrain. During a recent president ial trip to poland, dennis a ten year veteran of the team was concerned about how a sniper might conceal himself among the buildings lining the motorcade route. The president is going to come around here. Im going to assume all these people will look out their windows. Could be a thousand open windows right here. Reporter in this age of frequent terror attacks, open windows are not the only concern. Were worried about suicide bombers. Were worried about car bombs. You go to the car might be suspicious or a guy that is walking down the street in july with a heavy coat on, looking for the unusual. Reporter remarkably, no Sniper Team Member has had to fire a shot since the unit was performed in 1971. Its a record theyre determined to maintain. Margaret brennan, cbs news, laurel, maryland. Ninan and well be right back. New Research Shows the cancer death rate for children continues to deline. Danielle nottingham introduces us to a little boy from temple city, california, who is beating the disease. Three year old aidan kraim certificate bursting with energy the piano. Reporter but less than a year ago he was in the hospital battling lieu keem yarks the most common cancer in children. Thats the worst thing you could possibly think is i have zero control over this an i could very well lose my child, period. A new government study says the chances of surviving Childhood Cancer are improving, from 1999 to 2014, there was a 20 drop in cancer deaths among children and adolescence. Immune therapy, cell therapy, these are now going to be brought to bear to improve on this progress such that we expect continued steady decline in deaths from Childhood Cancer. The study also found that leukemia is no longer the leading cause of cancer deaths in children and adolescence. Three out of ten cancer deaths are now from brain cancer. The prog hess progress has lagged behind so we have to redouble our efforts to improve the outcome of those children. After five months of chemo therapy aiden is now cancerfree and giving back to other patients. His chances of relapse are high, so he has regular checkups. You look at aiden and people say oh my goodness, you would never know he was sick. And im grateful for that every day. And this family is making every day count. Go. Daniellee nottingham, cbs news, temple city, california. What a force that little aidan. Well, up next, he barely survived a wildfire, then his life took a turning never expected. Ninan finally tonight the story of a soul survivor of a battle against a wildfire last year in Central Washington state. Carter evans tells us about his long road to recovery. In this fire daniel lion faced the unimaginable. In blinding smoke, the engine he was riding in crashed. All you see at that point is flame. Intense ceiling that your entire body was burning. He was the only one to make it out of the crash alive. Daniels parents dn and barbara vifer i hadly remember the phone call from another firefighter. It looked like daniel came, an angel came running out of flames of hell and it was just wow. Reporter this is what daniel looks like a year after the fire, with unabouts over nearly 70 of his body. I thank god that i can still see. Reporter his sight saved by these singdz sunglasses. A watch still working is another reminder. I conditioned of have a natural tattoo on my wrist now. That is where the watch was. That is where the watch was. Reporter daniel has now undergone 14 surgeries at seattles harborview burn center. I feel like have i come a long ways. Bhu i also got a really, really long ways to go. Reporter did you feel guilty for surviving . Yeah, of course you do, survivor guilt say real thing. You constantly ask yourself why am i hear and youre theyre not yvment was i given a Second Chance and they didnt get that Second Chance. Reporter but daniels recovery is now more than just survival survival. Did you have a girlfriend before you got burned. I didnt. Megan was a casual friend. Your friend is in a fire, you want to be there for him. But the friendship turned into something more. Even after all he has b