British Prime Minister David Cameron (C)leaves after an extraordinary EU summit in Brussels, capital of Belgium, on Nov. 23, 2012. Top leaders of the European Union (EU) failed to reach an agreement on the bloc's trillion-euro budget framework for 2014-2020 at a two-day special summit in Brussels, with its negotiations postponed until early next year, President of European Council Herman Van Rompuy said here on Friday afternoon. [Xinhua]