Police issued a CCTV image of a man they believe can help with investigations into an an alleged dog attack in the St Giles area of Lincoln.
Officers are appealing for help and information after initial investigations into the incident failed.
A man was reportedly bitten by a dog on April 17 at the Nettleham Fields Shopping Centre at 5pm.
His calf was injured during the attack.
Lincolnshire Police said in a statement: “If you recognise the man pictured, please call 101 with crime reference 18000175035 or email [email protected]”