A gunman killed a police officer Friday near the headquarters of the Centers for Disease Control in the US city of Atlanta before being found dead at the scene, authorities said."Officers arrived -- found a critically injured DeKalb County  police  officer that was down,

Officials in Atlanta announced Friday that the man suspected to have shot two transit police officers in the city's downtown area has been taken into custody.

A gunman and a police officer were killed in a shooting near a university in the U.S. city of Atlanta.Local authorities reported that a man opened fire outside the headquarters