A woman`s undergone surgery after being bitten by a Rottweiller in Northamptonshire.
The incident happened on Farnborough Drive in Daventry.
The dog was being walked by a woman when it pulled the 60 year old victim to the floor and attacked her leaving her with three fractures.
The dog was with a white woman aged about 40 with shoulder-length blonde hair.
Anyone with any information can call Northamptonshire Police on 101. Alternatively, they can call the independent charity Crimestoppers anonymously on 0800 555 111.