Without knowing who has created the works, people can bid for them on eBay until the auction, called The Big Art Secret, closes on Sunday. Proceeds from the sale will go to St Wilfrid's Hospice. Hockney's work is "an ink and colour crayon drawing on a postcard" and Emin has donated four postcards.
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A man who dressed Father Christmas has been jailed for grooming two girls by attempting to bribe them to show him their "privates".
Amanda Houston presents the weather forecast for the east of the Meridian region.
Amanda Houston presents the weather forecast for the west of the Meridian region.