He urged the people of Ireland to "show their disgust and rejection of the Trump administration's policies by turning out, as we did during the Iraq War in 2003, in large-scale mass protest around the country". Joe Donnelly, saying the vulnerable Democrat is "not going to vote for us on anything".
The Irish Labour leader Brendan Howlin said that his party would strongly oppose the visit.
Trump was originally invited to Ireland by former taoiseach Enda Kenny on his final St Patrick's Day visit to the White House. The US President is always welcome in Ireland.
The president returned to the campaign trail after a bruising stretch, including widespread condemnation for his muted response to the death of Republican Sen.More news: Diogo Dalot plays for Manchester United U23s inches closer to senior debut
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The controversial White House chief will land in Dublin aboard the famous Air Force One via Paris. The economy and jobs are nowhere close to historic bests based on several measures.
The incident was captured by Associated Press photographer Evan Vucci, whose photo shows the volunteer member of the advance team stretching his hand out to parry a photographer who was apparently trying to take a photo of a protester who disrupted the Trump campaign rally in IN on Thursday night.
Only moments before, a Trump aide had physically blocked the lens of a press photographer to prevent him from taking a photo of a protestor. But flipping the Senate remains a much tougher prospect, given that 10 incumbents are running in states Trump won.
Amy O'Connor, an Irish journalist, said: "Trump can come to Ireland on two conditions: all official engagements take place in Barack Obama Plaza and all photos are taken right beside the life size cardboard cutout of Barack Obama".