The Deputy Prime Ministry Nick Clegg has described the idea of "repatriating" British powers from the EU as a "false promise wrapped in a Union Jack".
In a speech at Chatham House, he said he was in favour of EU reform but that the other EU members would not allow Britain to opt out of its duties while still enjoying the benefits:
More top news
Nigel Farage has branded a controversial poster urging black and ethnic minorities to vote as "disgusting".
David Cameron may have hoped to briefly get away from the EU exit debate but he can't control what other world leaders are saying about it.
There will be patchy light rain across the UK, but sunny spells in the west.