Road users are advised that Church Street in Newtownards has now re-opened to traffic following an earlier two vehicle road traffic collision in the area.
Sergeant Pye said: “Police received and responded to a report of a collision involving a car and a motorcycle shortly before 10.25pm yesterday evening, Tuesday 12th August.
“Colleagues from the Northern Ireland Ambulance Service also attended the scene.
“The male motorcyclist was taken to hospital for treatment for injuries, and is described as being in a critical condition at this time.
“Enquiries are ongoing, and police would appeal to anyone who has any mobile phone or dash cam footage, or any information which may assist, to get in touch via 101, quoting reference number 1914 of 12/08/25.”