http://www.cnn.com/2003/WORLD/meast/10/27/sprj.irq.main/index.html The thread title about sums everything up. Reportedly an ambulance was filled with explosives. I would assume that's why it got so close to the building. EDIT: I just noticed the "How's the Occupation Going?" thread might be a better place for this. Mods feel free to move this if you wish.