A driver was arrested on suspicion of attempted murder after his car collided with a pedestrian on a Lancashire road.
Detectives have appealed for witnesses after the incident in Penwortham on Friday afternoon.
A 40-year-old pedestrian, believed to live locally, was taken to the Royal Preston Hospital with serious head and leg injuries.
Police say he is thought to have been in a collision with a green Seat Ibiza, which then mounted the pavement and collided with a lamp post.
The collision happened at around 3.20pm on Friday on Carleton Drive, off Liverpool Road.
A 30-year-old driver from Preston was arrested on suspicion of attempted murder, driving whilst unfit through drugs and possession of cocaine.
There was some disruption on the road for around three hours following the collision to allow investigations to take place.
DI Philip Bowerbank said: “There is an on-going investigation into the circumstances of the collision.
“I would appeal for anyone who may have seen what happened or knows anything about the incident to get in touch on 101 quoting log number 826 of June 26.”