Officers attempted to stop the driver of a Ford Fiesta van at around 20:00, but the vehicle failed to stop and a small pursuit entailed.
The unknown driver is understood to have run towards marshland after dumping the vehicle in a boat yard off Embankment Road, leaving skid marks on the road and narrowly missing a number of bollards in the process.
A local dog unit is searching the area with the assistance of the helicopter from above.
UPDATE @ 21:15 – Police have now stood down their search for the driver of the vehicle. He has not been located.
The vehicle has been recovered from the scene.