A man has sadly died after a silver Volkswagen Caddy collided with a tree in Kipling Way, East Grinstead, about 12.05am on Thursday 21 October.
The vehicle contained five men, all from East Grinstead.
The 27-year-old driver was tragically pronounced dead at the scene. Two passengers aged 31 and 28 sustained serious injuries, and a further two passengers aged 31 and 30 sustained minor injuries.
The incident occurred in the vicinity of a police car; as such, the matter has been referred to the IOPC for investigation.
In the meantime, police are urging anyone with any information or dash cam footage to email firstname.lastname@example.org quoting Operation Herald.