[sam_paine]

Shrapnel in the "improvised explosive device" contained anticoagulant to prevent blood clotting, authorities said.

Aspirin grenade?

[CGASMIA68]

D-Con

[mulebones]

Aspirin grenade?

Warfarin usually. Rat poison is the most available anticoagulant in the USA and other countries. A relatively minor injury may be fatal if bleeding can't be stopped.

Anticoagulants are commonly used in bomb attacks in Israel and other parts of the Mideast.