Waterloo Regional Police are on the lookout for an alleged car thief after an on-duty taxi driver reported his cab stolen by his passenger. 

Investigators said the incident began at about 8:30 p.m. Tuesday night, when the taxi driver went to drop off his fare in the Weber Street East and Wilfred Avenue area of Kitchener.

Once the taxi reached its destination, it was then police said the passenger threatened the cab driver with a syringe and demanded driver get out of his taxi.

Once the driver got out, the suspect sped off with the vehicle.

The suspect is described by police as a 28-year-old Native Canadian male, 5 feet 11 inches tall, weighing 150 pounds, with a medium build and long black hair.

The vehicle is described as a grey, four-door 2009 Toyota Camry bearing City Cab decals and Ontario Licence plate BCRC 588.

Anyone with information is asked to contact Waterloo Regional Police or Crime Stoppers at 1-800-222-8477.