Pressure mounted on cabinet minister Andrew Mitchell on Friday after the Police Federation said it was "hard to fathom" how he could remain in office after being accused of hurling expletives at officers guarding Downing Street.
The chief whip has apologised for being disrespectful to police officers after they refused to let him cycle his bike through the gates on his way to No. 10.
According to The Sun the former Army officer told them: "Best you learn your f***ing place. You don't run this f***ing government".
Mitchell, who served as shadow police minister while in opposition, is also accused of calling the officers "morons" and, most damagingly, telling them they were “f***ing plebs".
The chief whip, who is in charge of internal Conservative Party discipline, said he had apologised for the way he spoke but denied using the strong language reported by The Sun.
However his apology was not enough for the organisation that represents rank-and-file police officers, which already has strained relations with the coalition over cuts to police budgets.
The Police Federation of England and Wales, which represents rank-and-file officers, said the behaviour was indicative of the way it was treated by the government.
Paul McKeever, the federation's chairman, said it was "hard to fathom how someone who holds the police in such contempt could be allowed to hold a public office".
"Mr Mitchell's half-hearted apology for the comments made whilst leaving Downing Street will do little to build bridges with the police, who feel they have once again been treated with a lack of respect and civility by members of this government," he said.
"The lack of regard that some within government appear to hold police officers in is especially disappointing during this tragic week for the service and does nothing for the rock bottom morale of officers in this country."
A spokeswoman for No. 10 said David Cameron was aware of the outburst, "is glad that Mitchell has apologised" and added that police "should always be treated with respect"
The timing of the row is particularly sensitive following the deaths of police officers Fiona Bone and Nicola Hughes who were shot dead in Manchester this week.
Labour's shadow home secretary Yvette Cooper said the allegations were "appalling" if true and police officers and public servants should be treated better by ministers.
"And the idea that a Cabinet Minister could behave like this towards police officers doing their job is an utter disgrace," she said.
Responding to the reports, shadow defence secretary Jim Murphy tweeted "Some of these Tories are foul-mouthed spoilt little brats".
And former Conservative Party chairman Lord Tebbit denounced Mr Mitchell's comments as "extraordinarily stupid" and urged Mr Cameron to have a "heart-to-heart talk" with his new chief whip.
As well as offending the police, Mitchell's use of the word "pleb" is especially toxic for the government as it often has to fight accusations that it is led by "posh boys" who are out of touch with the average voter.
Prime Minister David Cameron
Deputy Prime Minister Nick Clegg
Chancellor George Osborne
Foreign Secretary William Hague
Health Secretary Jeremy Hunt
After a stressful year in the DCMS, Jeremy Hunt moves from Culture to Health, replacing Andrew Lansley.
Home Secretary Theresa May
Cabinet Office Minister Francis Maude
Chief Secretary To The Treasury Danny Alexander
Minister without Portfolio, Ken Clarke
Having stepped down from the Justice Department, Clarke is supposedly staying in Government rather than hanging up his boots. Chris Grayling will replace him as Justice Secretary.
Justice Secretary Chris Grayling
Chris Grayling, formerly in the Department of Work and Pensions, will step up to hold the job vacated by Ken Clarke.
Culture Secretary Maria Miller
Maria Miller has taken up the DCMS job after Jeremy Hunt moved to the Department of Health. Miller is one of the few new faces in the cabinet.
Defence Secretary Philip Hammond
Communities Secretary Eric Pickles
Education Secretary Michael Gove
Minister for Internation Development, Justine Greening
Greening, who has been subject to plenty of rumours since her fallout over a potential third Heathrow runway. Greening was in No 10 for over an hour on Tuesday, presumably arguing her case and battling to stay in the cabinet. She will now take over Andrew Mitchell's spot at DfID.
Transport Secretary Patrick McLoughlin
McLoughlin, who has spent the past two years handling backbench rebels as Chief Whip, moves to the DfT, taking over from under-pressure Justine Greening. Greening has yet to be moved.
Energy Secretary Ed Davey
Attorney General Dominic Grieve
Cabinet Office Minister Oliver Letwin
Warsi, one of the earlest victims of the reshuffle, has been ousted as party co-chairman and is to be replaced by Grant Shapps. Warsi instead moves to to the Foreign Office as a junior minister, while also working as faith and communities minister.
Party Co-Chairman Grant Shapps
Shapps, who was the housing minister, is bumped up to party chairman, taking over from the demoted Sayeeda Warsi.
Environment Secretary Owen Paterson
Spelman leaves her post, to be replaced by the former Northern Ireland secretary Owen Paterson.
Work And Pensions Secretary Iain Duncan Smith
Leader of the House Andrew Lansley
Despite recently setting in motion huge overhauls to the NHS, Lansley has been moved to fill Sir George Young's spot as Leader of the House. Jeremy Hunt will succeed him in the Department of Health.
Business Secretary Vince Cable
Northern Ireland Secretary Theresa Villiers
Theresa Villiers, who gave nothing away as she approached Parliament with a wide smile on her face on Tuesday, replaces Owen Paterson. Paterson has moved to Defra.
Welsh Secretary David Jones
Cheryl Gillan was one name always likely to be taken off the list, and she is replaced by David Jones, who served beneath her as a Minister for Wales.
Scottish Secretary Michael Moore
Chief Whip Andrew Mitchell
Andrew Mitchell has moved moved from the Department for International Development to the role of Chief Whip, replacing Patrick McLoughlin.
Lords Leader Lord Strathclyde
Who can forget this classic? After being pelted with an egg Prescott doesn't think twice about clocking the perpetrator with a swift left hook. To be fair he deserved it just for the mullet, never mind the egg.
No surprise that these two would show up. In a relationship so tempestuous that it overshadows Axl Rose and Slash, Heather Mills and Paul McCartney and the time that Big Ears stole Noddy's bell, Boris Johnson and Ken Livingstone are renowned for their heated confrontations. This year's London Mayoral election reached boiling point when Johnson accused Livingstone of being "a f**king liar!" How rude.
Don't let his warm smile, and werthers-original-offering-cuddly-Grandad looks fool you. Stephen Pound, MP for Ealing North, is nails. Well, you'd have to be to <a href="http://www.dailymail.co.uk/news/article-1277538/Labour-MP-Stephen-Pounds-foul-mouthed-football-rant.html">call Sol Campbell "a big f***ing fairy." In front of numerous children.</a>
John Bercow, (pictured) Speaker of the House of Commons, has numerous benefits that come with his position. A £68,000 salary, a river view apartment in Westminster and a rather dashing black silk gown. But perhaps the greatest privilege is the right to walk in a straight line through Parliament, unimpeded by MPs who have to graciously bow out of your way as you pass. Unless you are Mark Pritchard. When accused by Bercow of blocking his path Pritchard shot back "you are not f***ing royalty," before rather politely adding "Mr Speaker."
Not content with mere words and bypassing fisticuffs entirely, Eric Joyce upped the ante and went straight for hooligan's favourite method of violence, the headbutt. After one or two too many sherries Joyce flew into a rage in a packed Westminster bar, headbutting Tory MP for Pudsey Stuart Andrew and allegedly attacking three other people. The police were called and Joyce was arrested.
South London rag, News Shopper thought that it had come up with a rather lovely idea for a piece when it decided to ask local MPs what their summer holiday plans were. Reporter Dan Keel set about collecting said information and was met with plans of sun, sand and then this.... DAN: Hi it's Dan from the News Shopper newspaper. I was just wondering if you received my email about MP holidays? HOLLOWAY: Ah the online lynch mob. Why don't you get on with doing some proper journalism. DAN: So you won't be answering any of my questions? HOLLOWAY: Yeah I will answer them - I will be going to Hawaii for 69 days - now f*ck off
We are now briefly hopping over to Ireland to present two superbly presented expletives. Note the ever so polite and calm introduction of "the most unparliamentary language", the pure venom in his words and the slightly pigeon-esque head movements. Not to mention the apology and attempted retraction after.