– Prime Minister David Cameron
I'm sure there will be treaty change. I'm absolutely convinced that there will be the need to reopen at some stage these treaties, not least to solve the problem of the eurozone.
The eurozone in my view needs to have further treaty change, and just as eurozone countries will argue that it's necessary to have treaty change, I think it's perfectly legitimate to argue that non-eurozone countries might need to have treaty changes that suit them."
David Cameron and German Chancellor Angela Merkel have agreed to work together to make the EU more competitive and flexible, Downing Street has said.