this image, taken by a documentary photographer, gabriele sciotto, shows two men lying on the ground.tle earlier we spoke to the photographer gabrielle sciotto he came in after one man stabbed someone. someone he came in after one man stabbed someone. someone tried to pull me off of the scene. i actually ran towards the scene because i noticed this man with this exposed looking belt on his chest. and, yeah, they we re belt on his chest. and, yeah, they were running. they did not even know, i guess, where they were running. a policeman tried to put himself between him and the crowd. they were coming towards me and i tried to run away. i went towards the main street. at that point i ran towards them. more police came over. but i guess they were like ready or something because in 2—5 seconds they shot all the men down. and, yeah, so, that is what i honestly saw. and, yeah, any questions? and the man that you took the picture of, these cannisters on his body, what did you think they were? . he did not look real to me. i am not a person who can honestly say if they are real or not because

. >> yeah, the name gabriele sciotto says that he had taken a wrong turn when he saw people runing awayough market, he ran toward it and he saw the police there and he saw men wearing something that looked like bomb canister belts. >> i stayed there and i reached it because i'm a professional photographer and i tried, you know, to get some picture -- i saw the situation was chaotic. so i was trying to understand and at the same time was kind of recording, take pictures, just have some records of what -- i mean i wasn't expecting the gunshots and everything but, you know, probably was worth it but maybe not to risk life for this. >> in hindsight. you can actually see two of the suspects there on the ground. sciotto now admits that it probably wasn't the smartest that he's ever done. in fact, i'm quoting here, absolutely stupid and when he realized what he had done he had the shakes. >>> back here at home, testimony begins in bill cosby's sex assault trial today, but we won't hear from cosby himself. the 79-year-old entertainer was charged with drugging and assaulting a former temple univ

. >> reporter: this photographer gabriele sciotto caught outside, as the police opened fire on attackers. other officers move in. people fleeing the scene. those moments coming during the 18 minutes of terror that seemed an eternity. at 9:58 p.m., the attack begins, that white van runs off the london bridge. starts ramming pedestrians. at the south end of the bridge, three men with long knives get out and start slashing and stabbing people. at 10:08 p.m., police are called to the scene. and by at 10:16, all three suspects are dead. their phony suicide vests failing to keep police at bay. 50 shots fired by 8 officers. today the people of london walked back to work on that very bridge amid a show of force by police across the center city and new barricades protecting the sidewalks on several bridges. and we're learning more about the victims. 30-year-old canadian chrissy archibald, who died in her fiance's arms after being struck by the white van. her family releasing a statement urging people to volunteer at a homeless shelter, as a tribute to her. london mourned them all today. at a vigi

gabriele sciotto, thank you very much indeed for being with us. we also heard from john stokes.old me. we were approaching london bridge with the bus and i was preparing the tourists on the bus to get their cameras out to get a photo of tower bridge from london bridge. as we were coming on to the bridge, the driver and i noticed two taxis on the left—hand side and someone lying on the pavement. and we just assumed that perhaps that person may have been accidentally knocked over or something. as we continued along the bridge at a slow pace, like we always do, we spotted another person lying on the pavement and we became a bit alarmed with that, and then a third person and we started to think, well, maybe it may have been a gang fight, because i know that area does have a few gangs. then when we saw a few more people lying down and people running up towards them and we were quite concerned and eventually, we had to stop the bus halfway across the bridge because the traffic had come to a stop. there were no police at the time we arrived. we are assuming it must have happened within

gabriele sciotto, thank you very much indeed for being with us.list, redmond shannon, for what he saw i had spoken to a couple of people, the first was a young woman who was on the bridge at the time of the attack. he didn't see how people we re the attack. he didn't see how people were injured but she did see at least two injured people and she saw one of those people being attended to, given cpr. obviously she wanted to, given cpr. obviously she wanted to get away as quickly as possible, people told them to get away as quickly as possible, and she was driven away by somebody who had a car on the bridge and i saw her at the northern end of london bridge near monument to station. the second person i spoke to was a young man out with friends —— chook station. clearly really disturbed by what he saw. he said he saw a knife, he saw something happened which he said he just couldn't articulate, it sounded like it was very violent, it sounded like it was very violent, it sounded like he was extremely traumatised and he said if he had been crossing that

. >> reporter: photographer gabriel sciotto captured the moment the attackers were brought down in a hail of bullets. >> at a certain point the cops came over, and so these attackers were surrounded by the police and they shut them down. >> reporter: britain's emergency medical teams responded quickly. the sheer number of victims suffering such horrific injuries meant spreading patients out to five area hospitals. london mayor sadiq khan condemned the attack as cowardly. >> there aren't words to describe the grief and anger that our city will be feeling today. i'm appalled and furious. >> reporter: a city he called united against terror, which today feels more united in pain. >> reporter: this is anna werner in barking, on london's east side. early sunday, police swarmed an apartment building in this working class neighborhood. residents heard the loud bangs of controlled explosions, and saw officers with guns take four men and several women into custody. medics put another woman into a ambulance. some told us they thought they recognized one of the three men killed in the attacks as