DEVELOPING: All passengers have left an AeroMexico passenger plane that was hijacked at the airport in the resort area city of Cancun and flown to the airport in the capital of Mexico City.

The hijacked plane, a Boeing 737, landed safely and is on the runway at the airport, according to Mexico's Transport Minister Juan Molinar. Mexican security forces are at the airport.

At least three men, reportedly of Bolivian citizenship, seized control of the plane and threatened to blow it up unless they were allowed to speak to Mexico's President Felipe Calderon, according to Web sites El Universal and Reforma.

Local television reports said that there were explosives onboard the plane.

The plane was carrying 104 passengers and was bound for Mexico City, according to Mexican network, TV Azteca.