MEMPHIS, Tenn. (AP) — The nation and the city of Memphis struggled to come to grips Saturday with video showing police pummeling Tyre Nichols — footage that left many unanswered questions about the traffic stop involving the Black motorist and about other law enforcement officers who stood by as he lay motionless on the pavement.

The five disgraced Memphis Police Department officers, who are also Black, have been fired and charged with second-degree murder and other crimes in Nichols’ death three days after the arrest. The video released Friday renewed questions about how fatal encounters with law enforcement continue even after repeated calls for change.