If Dr Marek had not been deselected from the Labour party he would have tipped them over the quota.

BBC: Morgan urged to end divide

Alex Cunningham, a local councillor and public relations consultant, became the new election candidate after Mr Cook was deselected.

BBC: Deselected Stockton MP to stand as Independent

Glasgow First is fielding 20 candidates (six of them deselected Labour councillors) in 18 of the city's 21 multi-member wards.

ECONOMIST: The SNP senses Labour weakness in a former redoubt

Following weeks of revelations in the Daily Telegraph about claims MPs had made on their second homes expenses, Ms Moran was effectively deselected by her party.

BBC: Rantzen will run for Parliament

MPs voting against a manifesto commitment might well be deselected.

ECONOMIST: An alternative way of voting

MEPs to be deselected by their constituency members.

ECONOMIST: Britain and Europe