Equipped with metal shrapnel, easy to use dark outfit.

装备了金属弹片，便于暗装使用。

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Bhutto fell back into the vehicle, and almost immediately a bomb blast rocked the scene, sending twisting metal and shrapnel into the crowd, he added.

CNN: Benazir Bhutto assassinated

Doctors treating the wounded say their injuries indicate that the bombs contained metal shards and other shrapnel.

BBC: Boston Marathon 'bombing suspect' seen on video

The type of device used in the attack has not been made public, but doctors treating the wounded have said their injuries indicate that the bombs contained metal shards and other shrapnel.

BBC: Boston bombings: Obama condemns 'act of terrorism'