Boris Johnson is coming under increasing pressure as the fallout from partygate continues (Picture: PA)

Labour has taken an 11 point lead in the polls folllowing the partygate scandal, a new survey suggests.

It comes as increasing numbers of Tory MPs break cover to call for the PM to resign.

This morning the former cabinet minister Andrea Leadsom criticised Boris Johnson – but did not clarify whether she has submitted a letter of no confidence in his leadership.

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