A woman's body has been discovered at a house in East Sussex.
Police went to the property in Court Meadow Close, Rotherfield, near Crowborough, on Wednesday, following concerns for the welfare of a woman.
The woman, aged in her 50s, was discovered dead inside, Sussex Police said.
A 35-year-old man, from Crawley, was arrested on Thursday on suspicion of murder. He remains in custody while inquiries continue.
Det Ch Insp Alex Geldart, of Sussex Police, said: "We have spoken to a number of people in the local area as part of our investigation already, but we are still urging anyone who heard or saw anything unusual or out of place over the last few days to make contact with us."