"My message to those coming to the protests in London is that this must be peaceful and good-spirited".
"It is in the interests of the U.K.to stand up and take a firm moral stance", said Zoe Gardner, a researcher and spokesperson of the Stop Trump Coalition, which is organizing protests this week in cities across the country.
U.S. President Donald Trump checks time prior to a dinner at the Art and History Museum at the Parc du Cinquantenaire during the NATO Summit in Brussels, Belgium July 11, 2018. This is a working, not a state visit.
Ignoring all diplomatic niceties, the convention-shredding U.S. president set up the four-day visit with a rebuke of his beleaguered host as she battles to stop her government falling apart over Brexit.More news: Father, volunteer firefighter killed in Sun Prairie explosion
Just before departing for Europe earlier this week, Trump ruffled feathers again by saying that the United Kingdom was in "turmoil", referring to the resignation of two prominent Cabinet ministers protesting Prime Minister May's Brexit policy. In London, protesters will float a 20-foot-long giant baby Trump blimp outside Parliament.
Mr. Trump, however, suggested before leaving a North Atlantic Treaty Organisation summit in Brussels on Thursday to head for London, that Britons in general agree with his policies, in particular his tough stance on immigration.
A high metal fence has been erected around the USA ambassador's central London residence where Trump will spend Thursday night.
A group of 13 members of the press join the President on such trips, including three wire reporters, two print reporters, four photographers, a three-person television crew, and a radio reporter.
The bulk of the activity will take place in London, where people plan to gather first in Regent's Park outside of the USA ambassador's house on Thursday and again across central London for a series of protests throughout the day on Friday.More news: Jean Michael Seri in London to seal Premier League transfer
He added: "We'll see if they're still there in 10 years". She said they will discuss security and defense, an aspect of the relationship that is causing anxiety for some British politicians.
Trump "has proudly sparked passionate often divisive emotions about things, I think Americans living here to eager to turn out and express their views", he said.
After London, he will travel to Scotland and then onto Helsinki to meet with Russian president Vladimir Putin.
The US Ambassador to London, Woody Johnson, insisted last week that Trump's itinerary was not intentionally designed for him to avoid encountering throngs of protesters. Trump and Putin, who have never met for an official summit, will hold three sessions before the US president returns to Washington, D.C., early Tuesday.
Mr Trump will instead be ensconced at Windsor Castle, west of London on Friday when a blimp tethered next to the Houses of Parliament.More news: Magic Leap Signs Distribution, Content Deal With AT&T
But there are still plenty of detractors, as loudly demonstrated by a passenger in vehicle driving past the United States flag-adorned pub who shouted "F*** Trump", to which Mr Smyth chuckled.