Sir Keir Starmer has said the Greens' victory in the Gorton and Denton by-election is "very disappointing" - but he has vowed to fight on.
Clayton 0-6 Bunting and Price 5-6 Van Veen Quarter-final results: Littler 3-6 Clayton, Bunting 6-4 Humphries, Van Gerwen 5-6 ...
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