A young man is in hospital with serious injuries after a crash on a busy road.

Emergency services were called to the scene of a crash on the A259 Marine Drive in Brighton in the early hours of this morning.

The collision involving a car and a pedestrian happened at the junction with Arundel Road shortly before 3am.

The pedestrian, a 20-year-old man, was taken to the Royal Sussex County Hospital with serious injuries, where he remains.

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The driver of the vehicle, a 59-year-old man, was not injured.

He has been arrested on suspicion of causing serious injury by careless driving and remains in custody, police said.

A spokesman for Sussex Police said: "We are investigating, and have appealed for witnesses or anyone with relevant information such as dashcam, doorbell or CCTV footage to come forward."

Information can be reported by emailing: collision.appeal@sussex.police.uk or reporting to Sussex Police online and quoting Operation Sheraton.