Violent protests erupted across the United States late Friday over the death of George Floyd, an African American unarmed man, was killed during a violent arrest by police in Minneapolis. at the hands of police, with murder charges laid against a Minneapolis officer failing to quell seething anger.br br Demonstrators clashed with police for a fourth straight night in the midwestern city of Minneapolis, where fires raged and there was widespread looting as well as sustained cat-and-mouse clashes between protesters and police.