Newly released CIA files show how spooked the Soviets were by Kenney’s assassination and the frightening spectre of nuclear war breaking out, writes Ryle Dwyer

A man planted pipe bombs outside Dallas Police headquarters and sprayed the building with bullets during a wild street battle before being shot and killed in his van by a police sniper.

A US police sniper has shot the suspect in an overnight attack on Dallas police headquarters and officers are now checking to see if he is still alive.