General election 2017: The 50 Labour MPs most at risk of losing their seat
With majorities as lose as 93 votes in some constituencies, the party's politicians could be under threat
Low poll ratings combined with the prospect of a mass defection of Ukip voters to the Tories could mean dozens of Labour seats are in peril.
UK Polling Report has produced a list of Labour constituencies that are most under threat, numbered by their percentage majority. Here is a summary of the findings.
1. City of Chester - 93 vote majority (0.1 per cent)
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Labour's Chris Matheson won by fewer than 100 votes in 2015. The MP is not a Corbyn loyalist and told the Daily Mirror: "I'm the candidate. It's my name on the ballot paper."
Second place in 2015: Conservatives
2. Ealing Central & Acton - 274 votes (0.5 per cent)
Rupa Huq narrowly won the seat in 2015. This time round, the Green Party has pulled out of standing here to try and help her maintain it.
Second place in 2015: Conservatives
3. Ynys Mon - 229 votes (0.6 per cent)
Albert Owen had to endure two recounts before his 2015 victory was confirmed. His main rival is likely to be former Plaid Cymru leader Ieuan Jones.
Second place in 2015: Plaid Cymru
4. Brentford & Isleworth - 465 votes (0.9 per cent)
Shadow housing minister Ruth Cadbury won the seat back in 2015 - it was Labour from 1997 to 2015. This is another constituency where a defection of Ukip voters to the Conservatives could sway the outcome.
Second place in 2015: Conservatives
5. Wirral West - 417 votes (0.9 per cent)
Former Tory employment minister Esther McVey was ousted here in 2015 by Margaret Greenwood. Labour fears some of the 2,772 voters who opted for Ukip in 2015 could switch to the Conservatives this time round.
Second place in 2015: Conservatives
6. Halifax - 428 votes (1 per cent)
Again, Ukip could play a decisive role in the poll here. If only ten per cent of the 5,621 voters who chose the party in 2015 go with the Conservatives, incumbent Holly Lunch could be in serious trouble.
Second place in 2015: Conservatives
7. Cambridge - 599 votes (1.1 per cent)
Daniel Zeichner, a Remainer who voted against triggering Article 50, took the seat from Julian Huppert last time round.
Second place in 2015: Liberal Democrats
8. Ilford North - 589 votes (1.2 per cent)
Wes Streeting win with a 1.2 per cent majority in 2015. He is strongly in favour of EU membership and is on a "save list" of 20 MPs getting extra help from the pro-EU Open Britain group. Ukip, who won 4,355 votes in 2015, is not putting forward a candidate in order to help the Conservatives.
Second place in 2015: Conservatives
9. Newcastle-under-Lyme - 650 votes (1.5 per cent)
Paul Farrelly has been MP here since 2001 and actually increased the number of Labour voters in 2015, albeit by a factional 0.5 per cent. He was one of 13 MPs to vote against Theresa May's decision to hold a snap election.
Second place in 2015: Conservatives
10. Barrow & Furness - 795 votes (1.8 per cent)
Sitting MP John Woodcock has already made headlines by saying he cannot support voting to make Jeremy Corbyn prime minister. The seat has been Labour since 1992.
Second place in 2015: Conservatives
Next 40 seats at risk (all 2015 second places to Conservatives except where indicated):
Wolverhampton South West - 801 votes
Enfield North - 1,086 votes
Hampstead & Kilburn - 1,138 votes
Hove - 1,236 votes
Lancaster & Fleetwood - 1,265 votes
Dewsbury - 1,451 votes
Ian Lucas - 1,831 votes
Derbyshire North East - 1,883 votes
Bridgend - 1,927 votes
Walsall North - 1,937 votes
Westminster North - 1,977 votes
Harrow Est - 2,207 votes
Middlesbrough Sough & Cleveland East - 2,268 votes
Clwyd South - 2,402 votes
Birmingham Northfield - 2,509 votes
Stoke-on-Trent South - 2,539 votes
Blackpool South - 2,585 votes
Wakefield - 2,613 votes
Stoke-on-Trent Central - 2,620 votes
Edinburgh South - 2,637 votes (second place in 2015: SNP)
Eltham - 2,693 votes
Birmingham Edgbaston 2,706 votes
Delyn - 2,930 votes
Gedling - 2,986 votes
Birmingham Yardley - 3,002 votes
Hartlepool - 3,024 votes
Scunthorpe - 3,134 votes
Darlington 3,158 votes
Coventry South - 3,188 votes
Burnley - 3,244 votes (second place in 2015: Lib Dems)
Alyn & Deeside - 3,343 votes
Bishop Auckland - 3,508 votes
Newport West - 3,510 votes
Southampton Test - 3,810 votes
Bristol East - 3,980 votes
Dudley North - 4,181 votes
Bolton North East - 4,377 votes
Hyndburn - 4,400 votes
Bermondsey & Old Southwark - 4,489 votes (second place in 2015: Greens)
Coventry North West - 4,509 votes
Bristol West - 5652 (second place in 2015: Lib Dems)
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