Police in Waltham Forest have released a CCTV image of a suspected attacker.
The woman is wanted in connection with grevious bodily harm following a suspected shoplifting incident in Pretoria Avenue, Walthamston, on April 11 at 4:30pm.
A member of staff was hit on the head with a wooden pole after attempting to stop a group of suspected shoplifters, and a second staff member sustained a cut to his nose.
The store worker hit with a pole was taken to Whipps Cross Hospital as a precaution.
The CCTV image has been released to the Guardian as part of a joint venture with the Metropolitan Police to identify potential perpetrators of unsolved crimes in the borough.
Anyone with information should contact Waltham Forest police on 101 or call Crimestoppers anonymously on 0800 555 111.