Authorities arrested at least nine people after a "series of fights" at the nation's biggest shopping mall sent chairs flying and caused after-Christmas shoppers to flee, officials in Minnesota said Tuesday. Police and security officers at the Mall of America arrested a mix of young adults and juveniles after a food-court fight around 4 p.m. Monday broke up into brawls elsewhere in the shopping center, Bloomington Police Department Commander Mark Stehlik said. At one point, police received reports of up to 10 separate fights, he said. Video of one incident showed a man picking up a chair to throw as...