Police are appealing for witnesses after a car collided with a tree on the A285 at Halnaker last night (Tuesday October 31).
At around 9pm a southbound silver Ford Fiesta, carrying four people, left the road just north of Halnaker and collided with a tree.
The driver of the car, an 18-year-old woman from Chichester, received minor injuries and was taken to St Richards Hospital in Chichester.
Two passengers, an 18-year-old man from Chichester and a 17-year-old girl also from Chichester, received serious injuries as a result of the collision.
They were both taken to Royal Sussex County Hospital for treatment where they remain today (Wednesday).
The third passenger, a 16-year-old boy from Chichester, received minor injuries and was also taken to St Richards Hospital.
The A285 was closed in both directions until 2am while police carried out an investigation.
Anyone who witnessed the collision or anyone with information is asked to contact Sussex Police on 101 quoting Operat Assist or by emailing email@example.com