Latest: Varadkar pays tribute to EU as Juncker tells Ireland you are not alone on Brexit

Latest: Taoiseach Leo Varadkar has paid tribute to Europe for "transforming Ireland".

Update 12.30pm: Taoiseach Leo Varadkar has paid tribute to Europe for "transforming Ireland".

"For us, Europe enabled our transformation from being a country on the periphery of the continent to an island at the centre of the world, at the heart of the common European home that we helped to build," Mr Varadkar said.