U.S. F-16 fighter jets are tracking a single-engine plane over Missouri that was stolen from a Thunder Bay, Ont., aviation school Monday afternoon. Lt.-Cmdr. Gary Ross of NORAD in Colorado told CTV Newsnet that as of about 9 p.m. the plane was about 50 kilometres east of Salem. "We remain in pursuit and are trying to encourage the pilot to land safely," he said. Ross said the pilot has not responded to radio calls from the F-16s or the FAA and that the stolen Cessna 172 only has about one hour of fuel left. He also said the pilot has...