A taxi driver was violently assaulted and robbed by his passenger in East Flatbush.

Police say the incident happened in August at around 2:35 p.m. when the 29-year-old driver dropped off his passenger at Clarendon Road.

The passenger got into an argument with the driver over payment before punching him in the face and taking out a knife. He threatened the driver, took his cellphone and ran out of the car without paying.

Anyone with information is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477).