Four people have been arrested on suspicion of murder after a teenager was stabbed to death at a house party.
Police were called to reports that a 17-year-old boy had been stabbed during a disturbance outside a house in Marlowe Way, Colchester, at around 10pm on Saturday night.
He was taken to Colchester General Hospital with abdominal injuries but died shortly after arriving, Essex Police said.
A 17-year-old boy and two men, both aged 18, have been arrested on suspicion of murder.
They are all from Colchester and are being questioned at separate police stations in north Essex, police said.
Anyone with information in connection with this death is urged to contact detectives at Colchester's Major Investigation Team on 101, email SCDappeals@essex.pnn.police.uk or call Crimestoppers anonymously on 0800 555111.