On Thursday night former Liberal Democrat leader Lord Ashdown vowed to eat his hat if a gloomy exit poll about his party's chances in the general election was proved right.

Alas, it was actually over-optimistic about the number of seats the oarty would retain, and Ashdown eventually agreed to eat a hat made out of chocolate.

Here are some other examples of people being proved very, very wrong on live television.

Here are 10 of the best:

1. Michael Fish's last weather forecast before the Great Storm of 1987


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