We are appealing for witnesses following a road traffic collision in Grange Road, West Kirby, last night, Monday 26th November.
Officers were called at 6.35pm to reports of a male pedestrian having been in collision with a car.
A 75-year-old man was taken to hospital where his condition is described as critical.
The driver of the car stopped at the scene and is assisting with enquiries.
Anyone with information or dashcam footage is asked to contact @MerPolCC, quoting reference 801 of 26th November or the Roads Policing Investigation Unit directly on 0151 777 5747.