Authorities are investigating a reported car-jacking at the Pittsburgh International Airport early this morning. A supervisor with the Allegheny County emergency dispatch center said the incident was reported at 11:13 a.m. today. Allegheny County police responded to the incident. Police say that two men forced out occupants from a sport utility vehicle and that one of the suspects had a gun. No injuries were reported. Police are searching for the vehicle, a 2008 Hyundai Santa Fe with Pennsylvania license plate of JLY-3519.