Nicola Sturgeon Brands Boris Johnson An 'Embarrassing' Foreign Secretary

Following the turmoil of the Conservative party conference in Manchester, Mrs May has faced repeated questions as to whether Mr Johnson was "unsackable" due to her weakened position.

"The only person in this Government weaker than Boris is the Prime Minister, who seems unable to sack him despite his serial disloyalty".

May indicated in an interview with the Sunday Times that she might consider a cabinet reshuffle, saying: "Part of my job is to make sure I always have the best people in my cabinet, to make the most of the wealth of talent available in the party".

In his newspaper column he backed Mrs May to secure a "great and successful Brexit".

"He has completely failed", a Cabinet minister told the Telegraph.

Tory MP Nadine Dorries told ITV's Peston on Sunday that he has "deliberately" been trying to make Brexit talks hard and that he should be sacked by Prime Minister May.

She said: "I think it is embarrassing".

Brexit-backing Tory MPs have called on Mrs May to move Mr Hammond away from the Treasury because they think he is too gloomy about Brexit. "I just don't think he has been 100% on board".

But defence secretary Sir Michael Fallon insisted there were no divisions within the cabinet.

During her keynote speech to the Conservative Party conference last week, the Prime Minister was stopped mid-way when a prankster handed her a P45 claiming he had been sent by Boris Johnson. "And somehow that's machinations", Blunt told Sky News.

"The country has had enough of the self-absorbed and, frankly, disloyal behaviour we have witnessed over recent weeks", he wrote, calling for the party to unite and for the government to "win back hearts and minds" or risk the prospect of "neo-Marxist" Corbyn taking the keys to Number 10.

He went on: "We are a united Cabinet; as one behind the Prime Minister".

When asked where Mrs May should put Mr Johnson in a possible Cabinet shake-up, the Tory peer quipped "Mongolia".

In his message, which can be seen on Guido Fawkes website, Johnson said he did not support such briefings: "Folks I have seen yet more stuff in the Telegraph and the Sun purporting to come from so-called friends and allies of mine", his message declares. "If we fail to deliver that, the public will never forgive us".

The Sunday Times said it asked PM May about her plans for Mr Johnson, who has professed loyalty but is accused by some of the prime minister's allies of undermining her by putting forward his own vision for Britain's exit from the European Union.

He responded: "The PM was talking broadly about how she is a politician who never ducks a challenge".

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