Sean Neeson MLA said: “This is a deeply disappointing result for both Ireland and Europe. I regret that the Irish public, who have benefitted so much from Europe, are now central to its problems.
“The big parties in the Republic of Ireland did not run a strong enough campaign to win this referendum. They did not provide the clarity and positive message needed to get the electorate on their side.
“Sinn Fein are hypocrites on the issue of Europe. They heartily welcomed European Commission President José Manuel Barroso to Belfast, but went against the Lisbon Treaty during this important referendum campaign.”