The girl injured her hand while the woman also injured her hand but did not need medical treatment. Staffordshire police have launched an investigation into the attack. It is not yet clear why the three were attacked and what happened to the dog. The force has appealed for information about the incident. READ MORE:Tragic death of a puppy hit by a truck causes three KONG leads to be withdrawn across the UK A spokesman said: “Police are investigating the bite of a woman and two children by a dog in Cannock. Police were called at 12.40 this afternoon to report that a woman, a boy and a girl were injured after being bitten by a dog in Brook Vale. “An eight-year-old boy has been seriously injured in the face and a six-year-old girl has been injured in the hand. Both have been taken to Birmingham Children’s Hospital for treatment. “The woman was injured in the hand but did not need hospital treatment. Investigations are ongoing and witnesses are being asked to contact Staffordshire Police via Facebook or Twitter or call 101 citing the March 26 incident number 360. “Alternatively, contact Crimestoppers anonymously on 0800 555 111.” I’M WATCHINGFootage shows smoke flooding the M6 ​​as a fire in the car causes long delays with “several miles” of traffic READ MORE:The bosses of the West Midlands subway “should be fired” as the services were fired again For the latest Wolverhampton, read our Black Country newsletter