Whether it’s tariffs that impact its exports or a retaliatory measure on U.S. services, Ireland stands to lose more acutely than most.

O'Donnell riffed about Trump while on "The View," comparing him to the snake oil salesman portrayed on “Little House on the Prairie.”

It comes as US President Donald Trump threatens to impose 30% tariffs on imports from the European Union and Mexico.

Simon Harris has warned that a proposed 30% US tariff could 'stop trade as we know it' with the EU, sparking fears of economic fallout for key Irish exports and US pharma firms based in Ireland.

Ellen DeGeneres made rare political statement after Donald Trump threatened to revoke Rosie O'Donnell's American citizenship.

Past visits suggest the US president's latest trip to his mother's homeland is unlikely to receive a warm welcome.