Police are investigating a collision in Top Road, Sharpthorne, in which a pedestrian received serious injuries.
Shortly before midday on Saturday (November 10) a 67-year-old pedestrian from Guildford and a green Mercedes Sprinter van collided.
The pedestrian was taken to Royal Sussex County Hospital for treatment, where he remains.
The driver of the van, a man in his 30s from London, was not injured in the collision.
Anyone who witnessed the collision is asked to contact Sussex Police on 101 quoting serial 647 of 10/11.