A vigil in London held Saturday to honor a man killed by London police turned from peaceful to violent. Rioters threw gas bombs and projectiles at law enforcement, according to the city's Metropolitan Police. Forty-eight people were arrested, officials said on Sunday.
The police are investigating the uprising.
The man whose vigil was taking place was Mark Duggan. He was killed while riding in a cab on Thursday. Police stopped the cab in an attempted arrest, and shots were fired, the Independent Police Complaints Commission said.