The baby was bitten at an address in Falkland Road
A three-week old baby has died after being bitten by a dog in Sunderland.
Police received reports a baby boy had been bitten by a dog inside an address in Falkland Road at about 04:15 BST.
He was taken to hospital where he later died. Police said the small terrier dog had been removed from the address and is likely to be destroyed.
Northumbria Police said a 30-year-old man had been arrested in connection with the incident. Inquiries are ongoing to establish the circumstances.
Superintendent Gillian Mitchell said: "This is obviously a very tragic incident and our thoughts are with the family of the baby at such a difficult time."