evidence: The mayor of Minneapolis asked the state National Guard to move in after protests over the death of George Floyd escalated Wednesday night with a fatal shooting, widespread looting, fires and the police deployment of tear gas. [...] The second night of demonstrations near the site of Floyd's death began peacefully but grew violent as the night went on. Gov. Tim Walz late Wednesday called it an "extremely dangerous situation" and urged residents to leave the area. Full coverage of George Floyd's death and protests around the country