christian frazier, bbc news. >> good to have you with us. stay with us, if you can. much more, of course, from the rescue operation in july. the rescue of the first minor is imminent. first, the second day of an inquest into how 52 people died in training and boston bombings in london two years ago. >> shedding more light on the confusion and chaos after the bombs went off. the first explosion, the court was told that the train driver could hear his passengers screaming, but he could not respond. the public address system had gone down. the first ambulance arrived 24 minutes after the bomb went off. this is because the ambulance service had been given the wrong address by the underground network. the force of the blast was such that one of the six passengers killed here was blown through the side of the carriage. his body was found on the track. the largest number of casualties were in the explosion between king's cross and russell square. we are told that the fire brigade was an eastbound rather than westbound train. it was only when the first wounded passenger appe