The British Prime Minister’s calling on the UK to “come together” as the formal process of leaving the EU begins later.
The UK’s ambassador will hand-deliver a letter to the President of the European Council in Brussels at lunchtime – which will trigger Article 50.
Negotiations for the exit deal will then be able to start.
Economist David McWilliams says the Irish Government can needs to secure free trade and free movement of people between ourselves and Britain in the negotiations.