Six flights disrupted by security concerns

Personal reference only:

UNDATED Security concerns disrupted six U-S flights today.A college student's checked luggage contained traces of dynamite. It was found on flight from Argentina to New Jersey. Authorities are checking why the student got off at the stop in Houston, where the traces were detected.
In other incidents:
-- An American Airlines flight from England to Chicago was forced to land in Bangor, Maine. No word on why.
-- A U-S Airways jet was diverted to Oklahoma City after a federal air marshal subdued a passenger who had pushed a flight attendant.
-- A Continental Airlines flight from Texas to California was held in El Paso, one of its scheduled stops, after the crew discovered a missing panel in the lavatory.
-- A utility knife was found on a vacant passenger seat of a U-S Airways flight from Philadelphia to Connecticut.
-- And an Aer Lingus flight from New York to Dublin was evacuated this morning during a scheduled stop in western Ireland. A bomb threat turned out to be unfounded.
Copyright 2006 Associated Press