breaking details. reporter: we are in a city that is in lockdown. the central part of it anyway. i will let my camera man show you police presence behind him. this canopy building, the victoria train station and connected to the victoria train station is manchester arena and the person who seems to be the suicide bomber did his bad work in the foyer area, near the box office area setting off a bomb perhaps with screws and nuts and bolts attached, the ugliest kind of suicide bomb. that left 22 people killed, 59 injured and a lot of young people attending this ariana grande concert, 25,000 seats,