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Detectives were searching for a man who posed as a peace officer and physically assaulted a woman after initiating a traffic stop in Duarte over the weekend, the Los Angeles County Sheriff’s Department said Tuesday.

The Los Angeles County Sheriff's Department released this sketch of a man wanted for impersonating a peace officer.
The Los Angeles County Sheriff’s Department released this sketch of a man wanted for impersonating a peace officer.

The fake officer was driving an unmarked sedan with flashing red and blue lights when he pulled over the female driver in the 1400 block of Buena Vista Street about 10:50 p.m. Saturday, according to a news release from the Sheriff’s Department.

After making contact with the driver, he threatened to arrest her, then physically assaulting her “without provocation,” the news release stated. She sustained minor injures from the assault.

The man then drove away and was last seen on the 1300 block of Central Avenue.

The Sheriff’s Department said he was dressed in a green polo-style shirt, similar to the kind police officers wear. He is described by authorities as white, between the ages of 40 and 50 years old, with brown hair and blue eyes.

Officials have released a sketch of the wanted man.

He was observed to be driving a four-door, light-colored Ford Crown Victoria with tinted windows. It had a possible partial license plate No. of 156.

Several similar incidents were reported recently in the Antelope Valley as well. It was not clear if they were connected.

Anyone with information about this incident has been asked to call the Temple Sheriff’s Station at 626-285-7171.

Those who prefer to leave a tip anonymously should call Crime Stoppers at 800-222-8477.

Correction: Video initially posted in this story misreported the license plate number. The correct information has since been added.