Halton police have released two images of a vehicle they believe was involved in a hit-and-run collision in Oakville last month.

A citizen found a man lying on the ground on Towne Blvd. just south of Dundas St. around 4:35 a.m. on Feb. 28.

The man was transported to hospital in serious condition.

Police believe he was struck by a vehicle.

On Thursday, Halton police said they are looking for the driver of a four-door sedan with black rims and a loud exhaust.

This vehicle was seen in the area of Grovehill Rd. and Logan Ave. in Oakville between 4 a.m. and 4:15 am on the day of the collision.

Anyone with information is asked to contact the collision reconstruction unit at 905-825-4777, ext. 5065.