Military jets are escorting a commercial passenger jet to JFK airport in New York.
The flight, which contains a package from Yemen, was escorted by Canadian F-18s to the the U.S. border and has since been picked up by two American F-15s.
An FBI official told Reuters there was no known threat associated with the flight.
Federal authorities were stepping up aviation security precautions after cargo planes were grounded at two U.S. airports in response to suspicious packages that may have been part of a "dry run" for a future Al Qaeda plot.
Fox NewsWTF is going on?
It's being reported that a commercial passenger airliner is being escorted into JFK by 2 F-15's. Is there some attempt going on to mess with our elections, or is it Halloween pranks?