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."
More top news
There will be patchy light rain across the UK, but sunny spells in the west.
Research conducted on behalf of Facebook shows women face a number of hurdles when it comes to launching a start-up.
The 650-feet long hole emerged after a water main burst near the 14th-century Ponte Vecchio bridge.