A GOP office in Hillsborough, North Carolina, was firebombed over the weekend, with a swastika and the words 'Nazi Republicans get out of town or else' spray painted on an adjacent building, according to local officials. 'The flammable substance appears to have ignited inside the building, burned some furniture and damaged the building's interior before going out. The substance was housed in a bottle thrown through one of the building's front windows,' according to a statement by the town of Hillsborough. The weekend firebombing episode become fodder for claims by Trump that the election is 'rigged' in Clinton's favor, reflecting the intensity surrounding of the campaign in the final weeks of the race. In the evening, Trump -- without evidence -- blamed the firebombing on Clinton supporters.