A man has been arrested on suspicion of murder after a woman's body was found at a property in a seaside town.
Police were called to the address on Princes Road in Great Yarmouth, Norfolk, shortly after 9am on Saturday.
The victim is said to have been in her 30s and known to the suspect.
The suspect, aged in his 40s, is being questioned by detectives in custody.
A cordon is still in place at the scene.
Norfolk Police has referred itself to the police watchdog as it had been in contact with the woman before she died.
Detective Inspector Alix Wright said: "We are in the very early stages of this investigation and are currently working to understand the sequence of events which has led to this woman's death.
"We do, however, believe this to be an isolated incident and both parties were known to one another."