DAMMAM, 16 October — A mock hijacking operation of a passenger plane was staged at King Fahd International Airport here yesterday. In the "hijacked" Boeing 777 aircraft belonging to a foreign airline company there were 50 passengers, in addition to nine crew members. The plane sought permission to land at the airport. After the landing, special security forces forced their way into the plane and overpowered the hijackers. All the passengers, were freed except two, who were killed by the hijackers. One of the hijackers was also killed during the storming of the plane. The mock operation aims at beefing up security on airplanes.