Paul's Farm Shop, on Dunkirk Lane, informed customers yesterday via Facebook that the shop would not be open on Saturday.
The statement said: "Due to travellers invading our shop car park this afternoon we had to make a very hard decision to close tomorrow (Saturday).
"We are very sorry for any inconvenience caused but we can’t see any way we can open to keep everyone safe.
"Please pass this message on to anyone you know who might come tomorrow, especially those that don’t have Facebook.
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"I will keep this page updated with any further details."