A group of Tories regarded as to the right of the party is urging David Cameron to step up his opposition to Government merger plans for police forces across four regions in England and Wales.
A document published by the 25-strong Cornerstone group of MPs urges the leadership of the Conservative Party to intensify its oppositions to what it calls the "dangerous plans" to merge smaller forces in larger ones.
Home Secretary Charles Clarke said earlier this month that an assessment by HM Inspectorate of Constabulary had concluded there was "only one acceptable option" for the North-East, the North-West, the West Midlands and Wales.
Under the proposals for the West Midlands, the Staffordshire, Warwickshire, West Mercia and West Midlands forces would merge; in the North-East, the Cleveland, Durham and Northumbria forces would combine; and in Wales, the Dyfed-Powys, Gwent, North Wales and South Wales forces would merge.
In the North-West, Cheshire would merge with Merseyside and Cumbria would merge with Lancashire, while Greater Manchester would remain as a stand-alone force.
The Prime Minister has denied in the House of Commons that the amalgamation of police forces would lead to higher council tax bills or fewer police officers on the streets.
But the paper, Police Structures, Accountability and Performance, written by Owen Paterson MP (North Shrop-shire), accuses the Government of having a "hidden agenda" and claims the proposed creation of regional forces aims "to whip up support for their moribund plans f or elected regional assemblies".
It also calls for local referendums to decide whether mergers should go ahead.
Mr Patterson says of the views in the paper: "I hope my front bench colleagues will consider them as they develop Conservative Party policy over the next 18 months and especially hope they will be of value to the party's Police Reform Task Force."
He attacks the argument by Mr Clarke that a police force needs at least 4,000 officers to be effective - calling it "fatuous".
Mr Patterson also rejects arguments that larger forces are needed to fight terrorism and organised crime.
He also claims the wishes of local people have been "ignored in the most brutal and arrogant manner".
Mr Patterson said: "Mr Clarke's plans represent a giant step towards central control. His regional super-forces will become immeasurably more remote from the needs of the communities they are intended to serve. To anyone familiar with the realities of day-to-day policing, these proposals must seem a very dangerous step indeed."