The fatal shooting of a black man by a white police officer in Atlanta has poured more fuel on the raging US debate over racism, prompting another round of street protests and the resignation of the southern city's police chief.
The death of 27-year-old Rayshard Brooks was ruled a homicide by the county medical examiner's office on Sunday, a day after the Wendy's restaurant where he died was set on fire and hundreds of people marched to denounce the killing.