A 17-year-old boy has been arrested on suspicion of murder after police found the body of a 69-year-old woman at an address in Withdean in Brighton.
Police were called at 6pm on Thursday night (7 January) to a house in Cedars Gardens where the woman was found deceased.
The 17-year-old boy is currently in police custody for interview and other enquiries.
Sussex Police have confirmed that the woman and the boy are known to each other and they are not looking for anyone else in relation to the crime.
There is no risk to the local community.