"People are protesting the visit of President Trump, demonstrating their opposition to his bigotry and racism - comparing migrants to poisonous snakes, Mexicans to murderers and rapists - and state-sanctioned child abuse, and that is their right to do so", Carden said, addressing Nick Hurd, Britain's minister of state for policing and fire services.
Timed with his arrival, members of Amnesty UK unfurled a banner reading "Donald Trump: Human Rights Nightmare" opposite the US Embassy.
"I mean, the list goes on", he said.
President Donald Trump has arrived at Blenheim Palace in grand style ahead of a gala dinner with United States and UK business leaders. Organizers now say they hope to take the blimp on a "world tour", following Trump on his global diplomatic engagements. When he leaves Britain on Sunday, after a trip to Scotland where he owns two golf courses, he heads to Helsinki for a summit with Russian President Vladimir Putin. More are planned for the second day of Mr Trump's visit.
"The people voted to break it up (Britain's ties with the EU)", Trump told a press conference.
London awaits Trump's visit, braces for protests
A giant inflatable "Trump baby" will be taken to Scotland to coincide with the United States president's visit over the weekend. Tens of thousands of demonstrators are expected to march against president's visit in the capital.
Winfield House is the only place where Trump will spend time in central London, where demonstrators are expected to gather in their tens of thousands for a march on Friday afternoon, hours after a giant "Trump baby" balloon is flown near the UK Parliament in an eye-catching stunt.
With Trump at all times will be a White House doctor and one of five rotating military aides who carry the nuclear "football" - equipped with communication tools and a book with prepared war plans.
The President of the United States of America visits the UK this week, and if he was any other leader it would be a simple exercise in global politics.
"I think they like me in the UK".
Trump's trip coincides with a tumultuous week for May after two senior ministers resigned in protest at her plans for trade with the European Union after Britain leaves next March.
He again postponed his visit in January this year after remarking that the relocation of the USA embassy in London was a "bad deal" made by President Obama, and that he was not interested in cutting the ribbon at the opening.
Eight boys rescued from Thai cave in good mental, physical state
After several days, a rescue operation was launched on Sunday when four of the boys were brought out, tethered to rescue divers. Scott, who lives in Thailand for part of the year, has been assisting in rescue efforts at Chiang Rai for the past four days.
While in Great Britain, Mr Trump will be running to a tight schedule which involves a high class dinner at Blenheim Palace, surveying United Kingdom military forces and visiting Chequers, the Prime Minister's official retreat in Aylesbury. "I believe that the people in the UK, Scotland, Ireland, as you know I have property in Ireland, I have property all over, I think that those people they like me a lot and they agree with me on immigration", he said.
President Trump will arrive at a London airport on one of his two specially modified Boeing 747-200s. Trump will then meet the Queen at Windsor Castle.
Opposition MPS, backed by an online petition signed by almost 1.9 million people, called on May to cancel the state visit offered when she met Trump in Washington after his inauguration in January previous year.
He is due to stay overnight at the ambassador's Winfield House residence in London's Regent's Park, where demonstrators plan to play recordings of migrant children held in USA detention centers.
The presidential motorcade also includes two identical limousines, one of which is used as a decoy and backup should any problems arise.
Trump to meet Queen, May on visit next week to Britain
The couple will then stay at Winfield House, the U.S. ambassador's residence on the edge of Regent's Park in London. The couple will then stay at Winfield House, the USA ambassador's residence on the edge of Regent's Park in London.