A suspect in the gun attack on police in the heart of Dallas told officers he was upset over recent police shootings of black men and wanted to kill white people, particularly police, according to officials.

US basketball star Bryce Dejean-Jones was shot dead after breaking down the door to a Texas flat.

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.