Police have arrested four people after a woman in her 20s was murdered in Cambridgeshire.
Emergency services were called at 2.10pm on Monday over concerns about a woman in High Barns, Ely.
Paramedics attempted to save the woman's life but she was pronounced dead at the scene.
Police in Ely and Cambridgeshire have launched a murder investigation after the body of a woman was discovered at her home, file photograph
Investigating officers said they are treating the case as murder. Forensic officers have secured the crime scene.
Police have arrested a 38-year-old woman and two men aged 53 and 29 from Littleport on suspicion of murder.
A 28-year-old woman from Littleport has been arrested on suspicion of assisting an offender.
They are all being questioned at Thorpe Wood police station.
Cambridgeshire Police confirmed a post mortem is due to take place at Peterborough City Hospital on Friday.
Detective Inspector Dale Mepstead, who is investigating, said: 'We will be conducting enquiries in and around High Barns area while our investigation into the death continues.
'There will be a large police presence while we carry out these enquiries and we would like to reassure people that we are treating this as an isolated incident.'
Anyone with information should call police on 101 quoting incident 220 of 1 December or visit www.cambs.police.uk/report.