![Commentator laughs at 'most Wimbledon warning ever' as fan told off for opening champagne](https://cdn.newsserve.net/ONPglobe256.png)
Commentator laughs at 'most Wimbledon warning ever' as fan told off for opening champagne
Umpire John Blom had commentators and fans alike in stitches after he issued a warning to a fan who had opened a bottle of champagne in the Wimbledon crowd
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