The Speaker of the House of Commons has become involved in a fresh row about political bias after he admitted voting to stay in the European Union and said immigration into Britain was a good thing.

John Bercow is already facing a vote of no confidence from MPs next week after he angered the Government by vetoing the idea of an address by President Donald Trump to both Houses of Parliament during his state visit later this year.

Now it has emerged that Mr Bercow told a group of students he voted Remain in last year’s EU referendum, adding that he hoped EU rules on parental leave, working time regulations and equality laws would continue after Brexit.