Enda Kenny says Ireland will work to undo some of the effects of a potential 'hard Brexit'.
It's after the British Prime Minister said she would pull out of the European single market - potentially hitting cross-border trade.
Sean Defoe has been looking at the fallout from Theresa May's speech.
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Meanwhile
A Sligo/Leitrim TD fears Britain are going down a road of no return with a hard brexit.
Sinn Fein's Martin Kenny says nobody in Ireland wants to go back to the days of the past.
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