Yemeni authorities last month recovered a huge cache of plastic explosives from the scene of an accidental blast that killed two al Qaeda operatives, confirming government fears of a serious ongoing ...

British authorities now believe the bombs used in the London attack were of a homemade variety and are similar to the one Richard Reid was carrying when he tried to blow up a plane in 2001. British ...

BELFAST (Reuters) - A rocket-propelled grenade fired at police officers in Northern Ireland contained Semtex, authorities said on Monday, describing it as the first use of the plastic explosive by ...