Rishi Sunak has suffered a double by-election defeat in safe Tory seats, with Labour and the Liberal Democrats both overturning majorities of about 20,000.Labour won Selby and Ainsty and the Lib Dems took Somerton and Frome on sizable swings which will leave many Tory MPs looking nervously at their own majorities.

Rishi Sunak has suffered a double by-election defeat in safe Tory seats, with Labour and the Liberal Democrats both overturning majorities of about 20,000.Labour won Selby and Ainsty and the Lib Dems took Somerton and Frome on sizable swings which will leave many Tory MPs looking nervously at their own majorities.