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Boris Johnson is stumbling into Tory conference like a wedding guest's puppy who's found the beer.

He's knocking everything over, getting in everyone's way and no one can stop looking at his floppy head.

Now the MP's attention-seeking has prompted a furious backlash in his own party - and even a slapdown from the main stage to thunderous applause.

The latest row kicked off last night when the ex-Foreign Secretary branded Theresa May's Brexit plan "deranged" and "preposterous".

If it was devised to rally the troops and mount a coup against the Prime Minister, it hasn't entirely worked.

(Image: REX/Shutterstock)

Here are seven senior politicians who've lashed out at Mr Johnson this morning from inside the gathering in Birmingham.

1. 'He's an irrelevance and offensive'

(Image: Daily Mirror)

Lord Digby Jones is a crossbench, not a Tory peer. This means he's not in the Conservative Party. And he's no stranger to controversy, once defending his failure to make a speech for a whole year in the Lords.

But the reaction to his guest speech from the Tory conference stage was so remarkable that it's worthy of inclusion.

Mr Johnson's now-infamous "f*** business" remark, he said, "showed him up for the irrelevance and offensive person he really is!"

Some - though not all - of the hall erupted into spontaneous and heavy applause.

Not among those clapping were any Cabinet ministers on the TV feed - including Theresa May, who appeared not to move.

(Image: Daily Mirror)

(Image: Getty Images Europe)

2. 'Completely the wrong approach'

(Image: REX/Shutterstock)

Business Secretary Greg Clark slapped down Boris Johnson's idea of scrapping the High Speed 2 rail link, one point he raised today, saying "it would be completely the wrong approach".

And in a warning shot to the MP's leadership ambitions he said: "I don't see there being a vacancy there soon. I think we're a lot better concentrating on the job in hand."

Mr Clark added he was "shocked" by claims Mr Johnson said "f*** business", telling a HuffPost UK fringe event: "That was totally the wrong thing to say and I was surprised that anyone could even think it."

The Cabinet minister said the government could not take business for granted and must fight every day to keep firms based in Britain.

And he criticised the so-called "Super Canada" trade agreement proposals backed by Mr Johnson, saying they would "set back our competitiveness".

"It requires frictions at the border, it requires checks at the border - I think everyone recognises that and acknowledges that it doesn't do what it necessary to avoid those frictions that as I've described I think would set back our competitiveness," Mr Clark said.

He said Mr Johnson was "very talented" adding: "I am disappointed that he doesn't feel he can support the government. I certainly take no pleasure whatsoever in [that]."

3. 'That language isn't wise'

(Image: REX/Shutterstock)

Scottish Tory leader Ruth Davidson, who has spoken movingly of her past mental health issues, slammed Mr Johnson's use of the word "deranged".

She told Sky News: "I don't particularly use language like that... I don't think it's wise so to do."

She also slammed Mr Johnson for accepting a 'backstop' plan for the Irish border only to reject it after resigning seven months later.

Ms Davidson said: "He seems to be spending an awful lot of time talking about his London mayoralship and very little time, in fact he's not even mentioned the fact, he was Foreign Secretary for two years and was in the room helping to influence this."

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She went on: "This is someone who was praising what the Prime Minister brought home in terms of moving on to the next stage last [year].

"Someone who was in one of the great offices of state, who was sitting round the Cabinet table, who now says he was in some way deceived.

"I knew what was being said in December. I'm not quite sure how the former Foreign Secretary didn't."

4. 'His ideas are good headlines - not good policies'

(Image: Birmingham Mail)

Former Brexit Secretary David Davis refused to offer Mr Johnson support for the leadership and accused him of "conflating" Tory rows with policy.

Mr Davis branded the idea of a bridge to Northern Ireland - yet another suggested today by Mr Johnson - a "fantastic idea that costs a fortune and won't do much good".

"I think one of the blights of British politics is politicians having fantastic ideas that cost a fortune and don't do much good," Mr Davis told Sky News's Sophy Ridge On Sunday.

"Boris is a great mate of mine, we have a very knockabout friendship, but quite a lot of his ideas, I think, are good headlines but not necessarily good policies."

5. 'These things are for headlines, not negotiations'

(Image: Robert Perry)

Scottish Secretary David Mundell, cornered by journalists, said: "Mr Johnson hasn't said anything new. It's nothing he's not previously said.

"As I think has been remarked, these are things for headlines not for the substance of negotiations.

"Mr Johnson was able to contribute when he was in the cabinet. He has chosen to leave the cabinet.

"I would rather he rallied round the PM as she takes forward these difficult negotiations."

6. 'Very unhelpful'

(Image: PA)

Former No10 policy tsar George Freeman, a Tory MP, said Mr Johnson's intervention was "very unhelpful".

7. This gloriously catty tweet from Home Secretary Sajid Javid, which says it all