A murder investigation has been launched after a woman was found dead in a property in Islington, north London.Police were called at 09.33 am on Thursday 6 August following concerns for the welfare of a woman at a residential address on Bollinder Place, Islington.Officers attended alongside the London Ambulance Service and found an unresponsive 23-year-old woman. She was pronounced dead at the scene, the Metropolitan Police said.At the scene, officers arrested four women, aged 20, 21, 23 and 26, and two men, aged 21 and 24, on suspicion of murder. They have all since been released on bail while enquiries continue.Enquiries are ongoing to trace the woman’s next-of kin.Chief superintendent Jason Stewart said: "This is a tragic incident and our thoughts remain with the family and friends of the young woman who has lost her life."We understand that news of an incident like this will cause concern within the local community. Local officers will continue to be visible in the area and are available to speak with residents who have questions or concerns."While enquiries remain ongoing, information available to us at this stage indicates this was an isolated incident and there is no wider risk to the public."Detective chief inspector Paul Waller, who is leading the investigation, said: “Our investigation is progressing at pace and detectives are working to establish exactly what happened in the time leading up to this woman’s death.“A number of people were arrested at the scene and have since been released on bail while enquiries continue.“Officers have been carrying out forensic examinations, reviewing available evidence and speaking to witnesses to build a full picture of the circumstances.“We are keen to hear from anyone who may have information that could assist our investigation.“No matter how insignificant it may seem, I would urge anyone with information to come forward and speak with us.”Anyone who can help is urged to contact police on 101, quoting reference 3700/06AUG.Information can also be provided anonymously to independent charity Crimestoppers on 0800 555 111.More follows on this breaking news story. Subscribe here to get the latest updates from The Independent