South Yorkshire Police are asking for witnesses to the burglary in Barnsley town centre last month, details of which have just been released.
At around 1.30pm on Saturday 23 July, it is reported that an unknown man entered the Cancer Research UK charity shop in Market Street, Barnsley and grabbed cash.
When challenged by staff, he fled the scene, running through another shop onto Queen Street and Eldon Street.
The man is described as being white, in his late thirties, with short dark hair. He is believed to have been wearing a blue and white long-sleeved shirt.
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Officers believe the man in the CCTV images (pictured) could hold useful information for the investigation and are appealing to anyone who recognises him to come forward.
If you can help with enquiries, please call 101 or email [email protected] quoting incident number 656 of 23 July 2016. You can also call Crimestoppers anonymously on 0800 555 111.