Police are looking for the owner of a Staffordshire bull terrier that bit a nine-year-old boy on the face.
The child had to be taken to hospital for treatment after he was attacked in Stoke-on-Trent last month.
Police would like to speak to the owner of a big brown or ginger Staffordshire bull terrier.
The dog's suspected owner is described as a slim white woman in her late 30s or 40s who is roughly 5ft 6in with light brown shoulder-length hair.
She was wearing sunglasses at the time of the incident on Belgrave Road in the Dresden area of the city on 20 April.
The woman was accompanied by a white man with a grey beard who was wearing a black polo shirt with blue and red stripes on the collar.
Police are appealing for any witnesses with information to come forward.
Anyone who witnessed the attack or those with any information should message 101, Facebook, Twitter, quoting incident number 679 of 20 April.
Alternatively contact Crimestoppers anonymously on 0800 555 111.