A car driver suffered multiple injuries after an accident on the outskirts of Uckfield on Sunday (June 4) night.
The patient was taken to the Royal Sussex County Hospital, Brighton, after an accident at Coopers Green.
Sussex Police, South East Coast Ambulance Service and a specialist HEMS (Helicopter Emergency Medical Service) team from the Kent, Surrey and Sussex attended by road.
The HEMS crew accompanied the injured person to hospital.
Emergency services were called just before 11.30pm.