EU Council of Ministers president Herman Van Rompuy has warned David Cameron that his campaign for a fresh EU settlement for Britain was neither liked nor feared by other leaders and was unlikely to win support.
In promising to renegotiate Britain's relationship and promising the referendum, it is Mr Cameron's presumption that Europe would have to look again at its treaties and it would be at that point that at which he would jump in.
Even the UK's closest ally in Europe, the Netherlands, did not hold out the prospect of that tonight, the Dutch Prime Minister says they would do everything they can to fix the Eurozone within existing treaties.
But Downing Street insist it is inevitable. But in terms of Mr Cameron's back benchers and in terms of voters who might have been tempted by UKIP in the Eastleigh by-election - we will have to see.
Herman Van Rompuy has warned David Cameron that his campaign for a fresh European Union settlement for Britain was neither liked nor feared by other leaders and was unlikely to win support.
The president of the EU Council of Ministers, told a London conference that the issue raised by the Prime Minister's recent speech promising an "in/out referendum" under a future Tory Government was "not just a matter between London and Brussels."
He said: "The wish to redefine your country's relationship with the Union has not gone unnoticed.
"I cannot speak on behalf of the other presidents and prime ministers but I presume they neither particularly like it nor particularly fear it."