A woman who was found at a Brighton address with serious injuries has now died.
Emergency services were called to Cowley Drive shortly before 5pm on Thursday (30 March) after concerns were raised for the welfare of a woman.
She was taken to hospital, where she died on Saturday, April 1.
A post-mortem will now be carried out to establish the cause of her death.
A 47-year-old man from Newhaven who was arrested on suspicion of attempted murder has been released on bail with strict conditions while enquiries continue.
Anyone with information which may assist the investigation is asked to contact police onlineor by calling 101 quoting Operation Bradwall.