A Black man was unarmed when Akron police chased him on foot and killed him in a hail of gunfire, but officers believed he had shot at them earlier from a vehicle and feared he was preparing to fire again, authorities said Sunday at a news conference.

Akron police released video of the shooting of Jayland Walker, 25, who was killed June 27 in a pursuit that had started with an attempted traffic stop. The mayor called the shooting “heartbreaking” while asking for patience from the community.

It’s not clear how many shots were fired by the eight officers involved, but Walker sustained more than 60 wounds. An attorney for Walker’s family said officers kept firing even after he was on the ground.

Officers attempted to stop Walker’s car around 12:30 a.m. for unspecified traffic and equipment violations, but less than a minute into a pursuit, the sound of a shot was heard from the car, and a transportation department camera captured what appeared to be a muzzle flash coming from the vehicle, Akron Police Chief Steve Mylett said. That changed the nature of the case from “a routine traffic stop to now a public safety issue,” he said.... Read More: Associated Press