Police dispersing a group at the Sainsbury's on Freeth Street, Oldbury, when the attack took place on Monday.
The girl was allegedly with a gang causing antisocial behaviour.
Rich Cooke, chair of West Midlands Police Federation, shared news of the incident on social media.
He said: "Two officers assaulted by a 13-year-old girl in Oldbury overnight who was being dispersed from a supermarket where she’d been with a gang causing antisocial behaviour.
"Punched and bitten.
"Violent youth we are dealing with. I don’t think many truly understand the level.
2 officers assaulted by a 13 year old girl in Oldbury overnight who was being dispersed from a supermarket where she’d been with a gang causing #ASB
— Rich Cooke (@Rich_Cooke1) February 22, 2022
Punched & bitten!!
Violent youth we are dealing with. I don’t think many truly understand the level. #ProtectTheProtectors pic.twitter.com/nBUYy4E9cJ
One person commented: "There is zero accountability. Kids have a sense of entitlement with no real boundaries or punishment."
