In 2010 she came close to causing a general election upset when she reduced Labour MP Austin Mitchell's majority in Great Grimsby to just 714 votes.

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Despite the recriminations - dubbed an "assassination festival" by Labour MP Austin Mitchell - Mr Campbell has insisted he still regards Mr Mandelson as a friend.

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Labour's Austin Mitchell said a vote in favour of a referendum "will show a thing or two to the people that they can trust us because we have their interests at heart".

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Meanwhile, following Austin Mitchell MP's attack on Labour's campaign against Mr Livingstone on Wednesday, fellow Labour MP Bob Marshall-Andrews has also said it was wrong to launch an onslaught against the Brent East MP.

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Labour has enjoyed success here for 60 years and Austin Mitchell, Great Grimsby's sitting MP since the 1977 death of then Foreign Secretary Anthony Crosland, currently has as healthy a majority as at any time in this seat's recent history.

BBC: NEWS | VOTE 2001 | RESULTS & CONSTITUENCIES | Great Grimsby