Shane Lowry watches US President Donald Trump fly past on his Air Force One aircraft at the Irish Open golf tournament at Doonbeg.

Rory McIlroy defends his Irish Open title at Doonbeg against Jon Rahm, Shane Lowry, Brooks Koepka and one of the event’s strongest recent fields.

Trump also held talks Saturday in Dublin with his Irish counterpart Catherine Connolly and will address U.S. and Irish business leaders at the U.S. ambassador’s official residence in Dublin, before traveling to his oceanfront golf club in Doonbeg, on the other side of the country, to watch the Irish Open.

BBC Sport looks ahead to the Irish Open as Rory McIlroy defends his title at Trump International at Doonbeg in County Clare.

Ahead of the Irish Open, Shane Lowry said to himself, 'I'm going to go out and go after this tournament'. The new approach worked as the Offaly man won by 11 shots

GBN Associate Editor Nick Bayly makes a long-awaited return trip to Trump International Golf Links at Doonbeg in County Clare, where the original Greg Norman-designed links has been tweaked to impressive effect ahead of its hosting of this year’s Irish Open.

Irish politics and sports often blend but nothing might replicate Donald Trump's whirlwind 28 hours of golf, diplomacy and trade at the Irish Open in Doonbeg.

Lowry waltzed around the Atlantic sandhills with the ease of a centre forward who had scored a hat-trick by half-time in a winning World Cup final, the second half a thrilling lap of honour