A man has died after being attacked by his own dog.
The 22-year-old was bitten by the animal in Preston, Lancashire Police said.
He was treated by paramedics at the scene in Dundonald Street but subsequently died from his injuries.
The dog, which belonged to the man, has been put down by vets.
Detective Inspector Jane Webb, from Preston CID, said: "This is a tragic incident in which a man has sadly died.
"Inquiries are ongoing to establish the exact circumstances and my thoughts very much remain with his family, who are being supported by specially trained officers at this time."