United flight to Chicago diverted for 'potential security concern,' airline says

CHICAGO (WLS) -- A United Airlines flight on its way to Chicago was forced to make an emergency landing Saturday.

United flight 380 from Dallas to Chicago landed in St. Louis Saturday morning after a "potential security concern," the airline said.

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The plane later landed safely at Chicago's O'Hare Airport after being delayed for several hours, United said.

No injuries were reported and local law enforcement have not confirmed the exact nature of the security concern.

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No further information was immediately available.