protests gathering momentum, not just where you are, but across iraq. yes, there are fees to be momentum, especially after half army stormed and that the military has been called. aw it has been called for a tribal army in sunni areas. the call for the organizers is .o protect all areas this is a green eye for oppressors of the for protesters to carry out. >> what is the latest on salon monday. there was a report that government forces were close to a government town to take a bet. , theyording to some decided to withdraw, to spare civilians. of course, this is the decision of the armed men. armed been told that the forces have tanks as well as have -- as well as helicopters. they have given the on-demand an an ultimatum of 48 hours. that will expire in the evening. a sort of a deal has been reached to let the army troops in. this is a huge embarrassment for the government for a group of armed melt to take control of the city. there not just one in that city. >> thank you. aboutre have been claims the use of chemical weapons. but government forces may have been using them against rebels. defense secretary geoff hagel -- chuck hagel says that the information may not be complete. they have been padding areas neither capital with more conventional weapons. this is reportedly the district where rebels have been fighting against people from the neighboring area global to the side. toneighboring area low oil assad. they cannot say for sure that chemical weapons are being used. what are their opens at the state -- what are their options at this stage? >> the use has agreed to this conclusion with some confidence. that means there is some doubt. what is interesting that, for now, the u.s. is taking a very cautious stand, trying to evident -- trying to verify this evidence. they want to consult with their allies before they take any action. however, the tension is mounting. we just heard from the deputy israeli foreign minister who has asked to take control of the desk of syria's -- of syria's chemical weapons arsenal. -- tensions are rising and the words are big, but so far, no action is promise. the beginningng of a confirmation that chemical weapons are being used in syria. what happened next? >> according to many officials, they are looking for the least flawed option. part of the problem is that syria has a very strong defense system. any kind of attack on serious stockpiles are in a special forces that go into syria do risk retaliation. these stockpiles of amoco stock rows are spread all of the country in many sites. so it's a major operation. second, we already have heard from countries like iran. groups liked from hezbollah, saying that any attack on syria, this time, there will be a retaliation. so some kind of military action against the regime could risk in flaming the region with a regional war. it is all indications that the u.s. seems to be setting -- seems to be studying very carefully. people keep remembering how perth amboy scum of the regime then, went to their under the idea of chemical weapons. the people here, the minute they hear the u.s. talking about chemical weapons inside sera, they feel this is preparation for war, so there's major concern here. >> thank you. angry garment workers in bangladesh are protesting. almost 300 people were killed and hundreds more remain unaccounted for fourth top -- unaccounted for. charlie angela has more. >> after the piles of rubble and twisted metal came dozens of survivors on friday. found trapped on the fourth floor the factory complex, 40 hours after he collapsed. some are using their bare hands -- ncover the hundreds who >> all of us are working day and night. last night, we've rescued 35. still, where tried to rescue people and we will remain here until we rescue everyone. >> screens from under -- screams from under the rubble --e them help, but smell more than 3000 people were working in the factory before the building caved in, but none of them should have been there. on tuesday, when deep cracks a -- when the cracks appeared in warnedl, authorities people to evacuate. the owner is now in hiding. they are protesting the and necessary deaths. >> we strongly demand that the government and other agencies responsible, the owner of the collapsed building, garment owners should not be allowed to get away with this. it has a terrible safety record. a fire at another factory killed 120 people. five months later, number and has been arrested. the government had promised to improve safety standards, but now this is the worst industrial accident in the countries history, sending the message that profit is more than people. >> now pakistan's former ruler has been remanded into custody until the end of the month. he has been charged with the murder of benazir bhutto in january. >> he was taken into heavy escort to the antiterrorist court, which granted the physical remand to the federal investigation agency, which is us, and to be included in the murder of benazir bhutto. however, the former military ruler said he had no confidence in the joint investigation which was constituted by a controversial outgoing interior minister. however, the former military ruler was engaged in the supreme court. the supreme court still had the right to ask the government to initiate those charges. earlier, the government said that, because this was an interim set up, that it's mandate for elections could not do so. so the court proceeding with that case. but the number of cases against the former minister he -- the former ministry ruler are piling up. >> four people have been .njured on an attack in karachi, a homemade bomb was thrown at an international party leader. i day of mourning is following. on thursday, people were killed outside of an an explosion in the outside area of an auction office in karachi. coming up, the south african commission is investigating the death of 44 people during last year's mind is butte. we -- mine dispute. we meet with the widows. >> in a london sewer, find out energy for uk homes. >> the top stores on al jazeera, protesters have been gathering at cities across iraq. to voice their anger at the shia-they stuck ever met. they are calling for the ruler to stand down and to end discrimination against sunnis. government forces have been around damascus. the u.s. says that there are chemical weapons in syria, but still need more proof that they are being used. and the number of death from this week's building class in bangladesh is nearly 300. hundreds are still missing. willingrea says it is of its workers out of the industrial complex. seoul's decision comes after north korea rejected its offer to talk to reopen the jointly run zone. >> because our nationals remaining in the industrial zone are experiencing greater difficulties due to the north's unjust actions, the government has come to the unavoidable decision to bring back all remaining personnel in order to protect their safety. >> meanwhile, the u.s. and south korea have continued joint military exercises. harry is there. >> south korean marines preparing to storm a beach and ticket i force. this is part of annual combined exercises involving u.s. and south korean forces. above them, helicopters and transport aircraft, perhaps bringing further reinforcements. for the signing doesn't extend to naming the enemy, but north korea has probably called these exercises rehearsal for invasion. they have been carrying out these full legal exercises around the country. the question is, when they finish next unit -- next uzi, whether they will be able to start talking once again. for now, that prospect remains distant. on tuesday, north korea celebrated the 80th anniversary of their founding. they also shared insight on talks, warning that it would otherwise have to take significant measures. north korea has rejected that offer, saying that it might be and to the south with measures of its own. each regime turns a blind eye to reality and continues to have a worsening of the situation. we will have to take a final end decisive and important decision. >> home to 123 south korean factories, earlier this month, pyongyang first barred access to the south and then pull that is 53,000 workers. more than 170,000 managers remained inside on friday. if north korea had used legal exercises, there had been a hope that their conclusion may be a re-text for a ratcheting down of tensions. but relations on this peninsula remain stuck at their lowest ever for many years. >> france's demands -- france's -- members ofer the united nations security council have approved a new peacekeeping mission on thursday. in july 12, soldiers and police will take over from the french union african force. widows of some of the south african mine police are solely for financial help. some are so upset that they are refusing to attend the inquiry into the shootings. her husband was killed eight months ago. he was shot along with 33 other minors by police. they were on an illegal strike for better pay to support his wife and five children. they saw each other only once a year. that is when he made the 1000 kilometer trip home for christmas. she refused to go anywhere near the commission of inquiry. but his sister is attending instead. thatam not happy about commission because i don't like how it is happening. i feel that the people who does this, they will not be conflict it. they do not speak in a way to make us forget. nobody apologizes. to them, it is as if no one died. >> when we first met, he had been dead for two months. but the family had not received any assistance. she had not seen the footage beamed across the world. she is not in morning close anymore. they have set up an education fund for all of the children. it is paying for all of the young children to go to school, but not the older to. she wants her older son to take a job to take the fathers race as the family soul burner. but because of the financial consequences, she can to do that. >> recruitment is not something that we are going to. certainly, we are going through process.turing they will be allowed to apply. and it would not be a natural replacement. >> i have been told that the government promised monthly food parcels, but only to have arrived. and what will happen when a compensation payout runs out? i'm in pain. it won't go away. it would have been better if he had come home. >> the brothers accused of the boston marathon had planned another attack of times square. square in newes york city, one of the most famous and iconic landmarks in the world. everyday, tens of thousands of people come here and and now officials say it could have been the next target of the boston murmurs. the commissioner and the mayor have been briefed by the fbi. during the interrogation of the remaining boston suspect, he admitted that he had -- he and his brother had planned to drive -- arrive -- he and his brother had planned to drive to times square. it is one of the most monitored places in new york. there are surveillance cameras everywhere and police officers as well. mayor bloomberg has used the boston bombing and the potential attack here to justify the huge amount of money and resources it spends on monitoring the whole city. >> the role of surveillance cameras in identifying the suspect was essential in saving lives. we have made major investments in camera technology, not withstanding some ejections of interest, and the attack in boston shows how valuable those games can be. >> officials say that they have photographs of the brothers in time square in 2012. they have no information that new york city is still an attack on future. >> mexico's government has introduced new rules to curb the influence of unions. but they are not giving up without a fight. >> two months into a strike that has now grown violent, guerrero 's teachers are now back in the streets. they say they will not stop protesting until their demands are incorporated into the government education reform. back into their time, this biology teacher says that he would rather be back at his school teaching students, but that this fight imore important. he says that his students aren't too poor -- his students are too poor to be measured against the students of wealthier areas. >> they do not live in the same emissions as under the big cities. the child in the city will always be ahead. euro wednesday, after the safe congress asked for the [indiscernible] many marchers came for battle, but for the most part it was peaceful. the largest teachers union is said to be corrupt. despite government warnings, thousands of people took part in wednesday's protest. thousands of people took the street to show their continued opposition to the education reform. >> this is the first mass mobilization. it threatens to put to risk his reform package and his alliance with the opposition. >> what is clear is that the honeymoon is over. for months into the administration is normal. 100 days later, all of a sudden, things have come to the surface. it is not enough for the old politicians to get together and hammer out deals behind closed doors. they actually need to engage with society. >> union leaders say that more than 2000 teachers from neighboring states will join a movement in the coming days. authorities are preparing for more top -- from our confrontations. they say they will not tolerate any more violence. teachers say they won't back down. moretrike has impacted than 40,000 students across the state. us, butcan invalidate in our own context. we are both teachers and parents. we have children too and it is not good for anyone to privatize education. >> wild teachers dig in in guerrero, teachers have marches planned for mexico city. a fire at a psychiatric hospital neither moscow has killed dozens of people. 41 patients and staff were inside of the building when the flame started. they are looking into whether an electrical fault may have been the cause. many died in their beds. these psychiatric conditions meant they had been heavily sedated. those who could try to escape found many of the windows bar. the usual precaution in normal circumstances, but one that makes fleeing frame -- flee flames impossible. one nurse was able to get out and save two people. she told authorities that she was awakened by the alarm. same was a delay to the because of a close river crossing. it took an hour instead of 20 minutes. emergency services is that the building was engulfed in flames when they arrived. one cause may be that electrical wiring may have short-circuited. inblems had been dealt with the last year. investigators are also looking into whether arson may have been the cause. the acting governor of moscow has declared saturday a day of mourning for the victims. >> when you go to a restaurant and have a nice meal, have you ever wondered what happens to all the hat -- to all the fat >> intchen throws out? london's 19th century sewers, spaces is at a premium. rob smith is used to it. he has been trying to make sure that the valves of the -- the bowels of the r remaining clear. sanitary items are clogging up the system. a very small section of it. some 60 meters long. [indiscernible] volume of fact we have in the sewer system at any one time. >> it costs more than a million dollars a month to clear the thousands of blockages caused i the fact. .s you would -- by the fact the smell is managed -- the smell is made much worse because of the fact content. every day to fuel a new generator that will not be taken from the sewers. cookin [captioning made possible by kcet public television] >> thank you. very, very good to be -- very good to be in san francisco. i got to say, there are places one goes where one feels like one is doing an immense amount of good and then there are places where one feels like it's almost not really necessary. whatever the kind of solar-era equivalent of bringing coals to new castle, you know, that's what coming to san francisco and to green fest feels a bit like. but we do need to get you guys completely engaged in this fight, in the most kin