Possible detonator located in suspect’s left handLaw enforcement images of metal nuts and screws propelled by the blast, and of damage nearby, show that the bomb’s makeshift shrapnel penetrated metal doors and left deep scuffs in brick walls. Manchester Arena Possible torso of bomber BOX OFFICE Doors to the arena MEZZANINE Victims Approx. Blast area Manchester Arena Victoria Station Blast area Manchester Arena Victoria Station The New York TimesCertain details of the bomb further suggest a desire by a bomb-maker to reduce the risk of a dud. The authorities found a mangled Yuasa 12-volt, 2.1 amp lead acid battery at the scene, which is more powerful than batteries often seen in backpack bombs or suicide vests. The battery, used for emergency lighting and other applications, can be bought for about $20.

Source: New York Times May 24, 2017 17:17 UTC