FBI crime scene investigators document evidence outside the Curtis Culwell Center. Two men opened fire with assault weapons on police Sunday night who were guarding a contest for Muslim Prophet Muhammed cartoons. A police officer returned fire killing both men. Photograph: Brandon Wade/AP

Federal agents for years monitored one of the two gunmen who were shot dead after opening fire with assault rifles at a heavily guarded Texas exhibit (...)

The car used  by the two gunmen killed by police is investigated by local police and the FBI in Garland, Texas, today. Photograph: Rex Curry/Reuters

A man who had previously been identified by the FBI as a jihadi terrorist suspect was one of the two gunmen killed yesterday after opening fire at (...)

Paramedic Bryce Reed  has been arrested for possession of an explosive device, a federal official said yesterday. Photograph: McClennan County Sheriff’s Office/Reuters

A criminal investigation has been launched into the massive Texas fertiliser plant explosion that killed 14 people, after weeks of largely trea(...)

Valley Mills fire department personnel walk among the remains of an apartment complex next to the fertilizer plant that exploded on Wednesday in the town of West in Texas. Photograph:  Erich Schlegel/Getty Images

Skeletons of buildings, gutted, with debris hanging off them; doors ripped off homes with twisted porches and full of rubble: after a powerful (...)