CHICAGO (WLS) -- A United Airlines spokesperson says out of an abundance of caution a flight headed to Seattle was diverted to Chicago's O'Hare International Airport after a non-credible threat was received.
The plane landed safely at O'Hare and United is working to get the passengers on board to their destination.
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Chicago police and the FBI are investigating the threat.
"The FBI is working with an airline regarding a communication received earlier this evening. The effort is ongoing and we have no further information at this time," said Special Agent John Althen.