MORRISVILLE, N.C. — Several passengers were receiving treatment Wednesday night after a Frontier Airlines flight made an emergency landing at Raleigh-Durham International Airport.

Officials said flight 1674, which was traveling from Orlando to Philadelphia was diverted, landed without incident and taxied to a gate at Terminal 2 at about 7:15 p.m.

A Frontier Airlines spokesperson said an unknown odor in the cabin prompted the emergency landing.

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