of bombs left in the attackers' van. those were very real, and it's not clear why those were not used in the attack. and we're hearing from one of the first officers who responded to the scene. inspector jim cole said one of the first things he did was send a medic down to the basement of a pub and set up triage. >> a gentleman had been stab inside the stomach. he was taken downstairs to see the medic, and at that point there was still shots ringing out, and then a stream of people came out the market running and screaming. so we literally just pushed them into the basement of the pub, and it was quite a big venue. it seemed like the safest place to put a large volume of people at that time out of harm's way. >> reporter: moving on to the attack in france from last tuesday, we've got video now of the hammer-wielding man who attacked a french police officer outside the notre dame cathedral can. the video went public as the