Two teenagers have died and two others are in hospital after a 1am crash in Chichester.
Emergency services were called to Kennel Hill this morning after reports a Fiat 500 smashed into a tree.
An 18-year-old man and a 17-year-old boy were tragically confirmed dead at the scene.
Their next of kin have been informed, Sussex Live reports.
Two 17-year-old girls, the driver and passenger in the vehicle, have been taken to hospital for further treatment.
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Detectives are appealing for witnesses to the incident.
It happened in Kennel Hill near the Goodwood Motor Circuit, home of the annual Festival of Speed, and Goodwood Racecourse.
The road remains closed as investigations into the crash are carried out, Sussex Police say.
The force is appealing for anyone who witnessed the crash or has any information which could help with the investigation to get in touch.
Contact collision.appeal@sussex.police.uk, quoting Operation Widecombe.