Police are appealing for witnesses after a collision between a Tesco delivery van and pedestrian.
The van was travelling north on Pagham Road in Bognor when the crash occurred on Friday afternoon at 5.45pm.
A 60-year-old man from Bognor Regis was taken to Southampton Hospital with a serious head injury where he remains in a critical condition.
Police are appealing for witnesses to the incident to contact police on 101 quoting Operation Malvern.
More top news
A woman who accidentally ran over her husband while trying to help him after a fall, hid the accident from her family
A chihuahua was found collapsed and dumped in Kent in the middle of labour and later died.
Wednesday's weather for the west of the region