Sussex Police are appealing for witnesses after a crash involving a pedestrian and a lorry.
The incident took place on Arundel Road in Worthing at around 8.50am this morning (Sunday, January 16).
A man has since been taken to hospital with serious injuries.
The incident happened close to the petrol station near the A280 at the Angmering/Clapham junction.
Traffic heading towards Arundel and onto Chichester has been affected following reports the road is blocked.
Anyone who saw what happened or captured the incident on dash cam is urged to email email@example.com quoting Operation Ilfracombe.
If you have seen or heard anything you think we should know about, or in relation to this, please contact the SussexLive newsdesk by email at firstname.lastname@example.org