Atlanta police said in a statement late Saturday they had made more than 50 arrests as protesters threw rocks at officers and broke windows in the downtown area.

San Diego police officers, aided by other law enforcement agencies, walked shoulder to shoulder through the streets after 2 a.m. Sunday, telling hundreds of protesters and observers that they would be arrested for unlawful assembly if they didn’t disperse.

Protesters targeted police headquarters for the second night in a row as officers formed a barricade around the building.

San Francisco Mayor London Breed has declared a citywide curfew for Sunday night as violent protests rage throughout the city in the aftermath of George Floyd’s death.

Authorities say there have been increased levels of violence, crime, vandalism and assaults on police officers Saturday night as the protests took a dark turn.