A 21-year-old man and a 16-year-old girl died in a road traffic collision in Loughton in the early hours of this morning, Saturday August 24.
Two girls aged 16 and 17 remain in hospital in a life-threatening condition.
A 21-year-old man from Loughton who was arrested at the scene in Goldings Hill remains in hospital.
Police are appealing for witnesses who saw what happened, or saw a silver BMW M3 driving in the Loughton and Epping areas in the early hours of this morning.
Police are also keen to speak to anyone who was driving in the area who has dash cam footage, or anyone who has CCTV.
Witnesses are asked to contact the Serious Collision Investigation Unit on 01245 240590 or email [email protected]
Alternatively, contact the Crimestoppers charity anonymously on 0800 555 111 or use the anonymous online form at Crimestoppers-uk.org