(KANSAS CITY, Mo., AP) — Police have arrested a man suspected of impersonating an officer during a Kansas City traffic stop.

The Kansas City Star (http://bit.ly/29Srf9T ) reports that the arrest was made Thursday. Police said a motorist called police Wednesday after the driver of a Ford Crown Victoria signaled him to pull over with a flash red light. The motorist said a non-uniformed man who appeared to be armed told him to slow down.

The motorist asked the man whether he was a police officer and was told not to worry about that.

The motorist said he drove back into the interstate traffic as the man walked back to his vehicle. Eventually, the motorist began following the man but lost sight of him when he swerved across several lanes of traffic and exited the highway.

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Information from: The Kansas City Star, http://www.kcstar.com