The DUP Chief Whip, Nigel Dodds, has said his party is speaking with one voice on the issue of Sinn Féin's acceptance of policing.
He was speaking after an hour of talks between British Prime Minister Tony Blair and a DUP delegation at Downing Street.
DUP Party Chairman, Maurice Morrow said the Prime Minister had agreed that there could be no half-way house on policing and that Mr Blair had accepted that Sinn Féin had to step up to the mark.
Both Mr Dodds and Mr Morrow are two of the party's most sceptical figures on the issue of power-sharing with Sinn Féin.
Party leader Ian Paisley, who was also at the Downing Street meeting, said the people of Northern Ireland deserved to have peace, security, and the protection of the law, and that Sinn Féin should put their money where the mouth is.
The Taoiseach, Bertie Ahern, and Mr Blair reviewed Northern Ireland's peace process during discussions in Downing Street last night.
Some in the DUP say the target of a devolved administration by March is unrealistic.
If their argument holds, that would mean no deal before Mr Blair leaves Downing Street.
