Police fired tear gas at protesters in Ferguson, Missouri, overnight after a police car was flipped over and set on fire.
Forty-five people were arrested as violence erupted in the city for the second consecutive night.
Four of the people arrested face felony charges, St. Louis County Police Chief Jon Belmar said at an early-morning news conference. Rioting occurred at Ferguson’s city hall building, with windows broken and the police car vandalized, leading officers to fire the tear gas, Belmar said. It was the only place where tear gas was used, he added.