Police are appealing for the driver of a car who was potentially involved in a collision with a pedestrian in eastern Bay of Plenty overnight to come forward.

A male pedestrian was seriously injured on White Pine Bush Road, Whakatāne, shortly after midnight -  in the early hours of Sunday, August 18.

"The injured man remains in hospital and is in a critical condition," says a police spokesperson.

The Serious Crash Unit attended and enquiries into the exact circumstances are under way.

"It is believed that the injured man was hit by at least two vehicles.

"The driver from one of these vehicles is assisting Police with our enquiries, and Police are appealing for the driver of the second vehicle - described as a blue SUV - to come forward.

"We would also like to hear from anyone else travelling on or near White Pine Bush Road around the time of the crash, who may have information relating to the case."

Please contact Police via 105 and quote file number 240818/1806.

Information can also be provided via Crime Stoppers on 0800 555 111.