Unionists and eurosceptics back Sinn Féin in voting against treaty
MEPs overwhelmingly supported the treaty, expected to be voted on in Ireland at the end of May.
The UK Independence Party’s (UKIP) five MEPs, sitting behind their mini-Union Jacks, applauded Sinn Féin MEP Mary Lou McDonald who told the parliament in Strasbourg that the Lisbon Treaty further eroded democracy.