A man was arrested near the Republican National Convention in Milwaukee, Wisconsin after an AK-47 assault rifle was found in his backpack, according to local officials and media reports. His intentions were not immediately clear. The incident happened at around 1 p.m. on Monday when U.S. Capitol Police observed a suspicious person with a ski mask and a large tactical backpack in the 1200 block of N. 11th Street, just a few blocks from the convention. “Capitol Police performed a subject stop and it was determined that the suspect was concealing a firearm in his backpack,” police said in a state…