BORIS Johnson’s bid to keep power and deliver Brexit on October 31 has been boosted after it emerged a series of opposition MPs may back him.

Anti-EU Labour MP Kate Hoey became the first on Jeremy Corbyn’s benches to public declare she will oppose her leader’s bid to oust Boris.

4 The possible backing of a number of opposition MPs has boosted Boris' chances of staying in power to deliver Brexit on October 31 Credit: AP:Associated Press

And rebel Labour sources claimed there were “a good number” of their pro-Brexit MPs who are considering doing the same.

Analysis of MPs’ voting records on Brexit by The Sun reveals as many as 15 Labour and independent MPs may refuse to back any Commons vote that ends up delaying Brexit again.

That would leave opposition party leaders needing a greater number of Tory MPs prepared to collapse the Conservative government for their bid to succeed.

Ms Hoey tweeted: “Like all other Labour MPs I fought on a manifesto in 2017 to respect the referendum vote.

“Any action taken now to stop us Leaving on October 31st by Labour is a knife in the back of the majority of Labour constituencies who voted to Leave”.

Another pro-Brexit Labour MP, John Mann, said Mr Corbyn couldn’t rely on his vote either yet.

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Mr Mann told The Sun: “Let’s see what is proposed first. I will wait and see.

“I’m happy to have an election after October 31, but I want Brexit to happen before then.”

In another blow for Mr Corbyn’s bid to oust Boris and delay Brexit for more talks for a deal, Change UK’s five MPs also said they would only back a caretaker PM if they promised to deliver a second referendum not a general election.

4 Kate Hoey became the first opposition MP to public declare she will oppose Corbyn's bid to oust Boris Credit: Getty - Contributor

4 Pro-Brexit Labour MP, John Mann, hasn't promised to vote with his party leader either

4 Change UK's five MPs, including leader Anna Soubry, have declared they would only back a caretaker PM if they promised a second referendum Credit: AFP or licensors