Prime Minister, Theresa May, pictured during a visit to Belfast earlier this year. (Photo: Getty)

IN PICTURES: The riders and runners tipped to replace Theresa May as Prime Minister

Prime minister, Theresa May, has vowed to resign should a majority of M.P.s vote in favour of her withdrawal agreement which will take the U.K. out of the E.U.

Regardless of whether Mrs. May's deal is passed she is expected to step down in the near future - here's a list of men and women who the bookies think have best chance of securing the keys to No. 10 Downing Street - all betting odds taken from Bet365 and accurate at the time of publishing.

10/1 - M.P. for Aylesbury.

5. David Lidington

10/1 - M.P. for Aylesbury.
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10/1 - M.P. for Esher and Walton.

6. Dominic Raab

10/1 - M.P. for Esher and Walton.
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11/1 - M.P. for Bromsgrove.

7. Sajid Javid

11/1 - M.P. for Bromsgrove.
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20/1 - M.P. for South Northamptonshire.

8. Andrea Leadsom

20/1 - M.P. for South Northamptonshire.
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