Flight 601 from Knoxville to Denver landed in a remote area of Denver International Airport after a "security threat" was detected, KUSA-TV reported Friday.
FBI agents and Denver police entered the plane and arrested a male passenger, The Denver Post reported.
Passengers left the plane by means of "air stairs," said Laura Coale, an airport spokeswoman. They were taken to a fire station for questioning.
A bomb squad with the Denver police searched the plane and luggage, Coale said. No explosives were discovered.
Flights in and out of the airport were not affected, she said.
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