There was much surprise on St Patrick's Day when MMA fighter Conor McGregor met with US President Donald Trump in the Oval Office just days after Taoiseach Micheál Martin's visit.

Dion Fanning, co-host of the Free State podcast, and Gary Murphy, professor of politics at DCU's School of Law and Government, join The Last Word to discuss why McGregor was invited to the White House and whether it could mark the beginning of his campaign to be the next president of Ireland.

Catch the full chat by pressing the 'Play' button on this page!