A man has been killed in a crash on a main Sussex road.

Police were called to the scene of the single-vehicle crash on the southbound carriageway on the A23 near Bolney on Saturday, August 10, at around 10.10pm.

A 25-year-old man was treated by medical professionals at the scene but was pronounced dead a short while later. His family have been informed, Sussex Police said.

Three men, all aged 25 and from London, were arrested on suspicion of causing death by dangerous driving.

READ MORE: Road reopened after serious crash caused 40-mile diversion

The southbound carriageway was closed for more than 12 hours while officers investigated but has now reopened.

A Sussex Police spokeswoman said: "Enquiries are underway to establish the circumstances of the collision, and we ask those with dash cam footage, or who witnessed the collision to contact police.

"You can make a report online, or by calling 101 quoting Operation Promise."