A man has been arrested on suspicion of murder after a woman died in East Yorkshire.
Police were called at 09:30 GMT on Tuesday to a house in Milldane, Hull, where a 21-year-old woman had suffered serious injuries. She died later.
Det Ch Insp Mark Goulding said: "We believe this was an isolated incident that happened within the house and that there is no risk to the wider public."
A 23-year-old local man has been arrested, police said.
The force is appealing for witnesses who saw or heard anything unusual to get in touch.