For the first time, thousands of protesters inflated a six-metre tall blimp depicting Donald Trump as an angry orange baby in a diaper, as a mark of protest against the US President's maiden visit to Ireland.
He took to the president's proffered communication medium, Twitter, to tell Mr Trump what he thought of the idea.
The three-day trip is aimed at celebrating the "special relationship" between Britain and the United States.
"A woman ... punctured the mini Trump baby replica with a sharp object", said a spokesman for the Trump Baby group.
We were unable to find comparable aerial footage of the anti-Trump protests in June 2019.
Demonstrators filled Trafalgar Square and spilled down Whitehall, a street lined with imposing government offices, before marching half a mile to Parliament.
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A large-scale protest against U.S. President Donald Trump's visit to Ireland was held in downtown Dublin on Thursday evening, drawing almost ten thousand participants, said eyewitnesses.
Trump largely glossed over the protests, saying he saw "thousands of people in the streets cheering" and waving USA and United Kingdom flags, but just a "very, very small" group of protesters, adding that media reports of a much larger protest were "fake news".
The US president praised the monarch as a "spectacular woman" but said he did not fist-bump her when he arrived at Buckingham Palace.
"I wanted people here to know that people in America do not support Trump in the majority. and humor is my weapon", he said.
Corbyn declined an invitation to Monday's banquet for the president at Buckingham Palace, but sought a meeting with Mr Trump - which was refused.