Police are investigating the circumstances surrounding the robbery of a taxi driver in Wagga Wagga last night.

About 11.30pm (Monday 22 February 2016), a 39-year-old man was driving his taxi to Turvey Park to collect a passenger.

When at the corner of Lindsay and Trevor Street, he collected the male passenger who got into the front passenger seat.

Once inside the vehicle, the man produced a knife and threatened the driver, demanding cash.

The driver handed over a sum of cash and the passenger fled from the car.

Police are now searching for a man described as 183cm, or 6ft tall, and at the time of the robbery he was wearing a black balaclava and gloves that had a white skeleton pattern, with black clothing.

Anyone who may have information about this robbery should contact police at Wagga Wagga.