The former British Prime Minister Tony Blair has warned parts of the Good Friday Agreement may have to be rewritten to take account of Brexit.
Mr Blair also says that Northern Ireland should be considered as a special case in the exit talks.
Foreign Affairs Minister Charlie Flanagan says Brexit is a proper mess that needs to be cleaned up.
Meanwhile, Clare Fine Gael TD Joe Carey says the Brexit challenge must be fought together, on both sides of the Irish border.
He’s been telling Clare FM’s James Mulhall that Ireland must adopt an all-island approach during negotiations.