Man on the run after ramming police car

A SEARCH is underway for the man who allegedly rammed a police car during an attempted arrest in Sydney's southwest.

Police attempted to arrest Christian Nassar, 34, at about 4pm yesterday on Norman St at Condell Park on multiple serious fraud offences.

Officers claim their car was repeatedly rammed by Nassar's vehicle while they were still inside, before fleeing the scene.

One officer was treated at the scene for minor injuries.

A search is ongoing for Mr Nassar and the vehicle, which is described as a gun metal grey Audi R S6, with significant damage to the front and rear end.

The car was last seen travelling south on Taylor Street.

Anyone with information is urged to phone Crime Stoppers on 1800 333 000.