Have you heard the one about the comedian trying to win a place in the Guinness Book of Records?
Regulars at a popular Glasgow bar can expect to be in stitches for 60 minutes tonight as the pub's resident comedian attempts to book his place in the record books.
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But Donald Macleod, from Lewis, will have the last laugh if he beats Australian Michael Lehman's record for telling the most jokes in one hour - 549 set in May 2005 at a pub in Adelaide.
To succeed, Mr Macleod will have to execute 10 jokes a minute.
The comedian, author of the Awful Joke Book, is also using the occasion to raise money for charities in the Western Isles.
The Bethesda Care Home & Hospice in Stornoway, Harris House in Tarbert, Tagsa Uibhist in Benbecula and Cobhair Bharraigh in Castlebay will benefit from his record bid.
Mr Macleod has previously raised more than £100,000 for the organisations.
All are welcome to enjoy the fun at the Park Bar in Argyle Street from 8.30pm.