Officers are investigating the incident which took place inside the Stainsacre Lane store at around 2pm on Thursday May 11..
Anyone with information that could assist the investigation should contact North Yorkshire Police on 101, select option 2, and ask for Jonathan Formstone.
You can also email [email protected]
If you wish to remain anonymous, you can pass information to Crimestoppers on 0800 555 111.
Quote the North Yorkshire Police reference number 12170081045.