Four people have been arrested after images of Donald Trump alongside sex offender Jeffrey Epstein were projected onto the walls of a British royal family residence where the United States president is set to be hosted by King Charles.
Trump arrived in the UK late on Tuesday local time for an unprecedented second state visit, and will be greeted by Charles on Wednesday at Windsor Castle, about 40 kilometres west of London.
Earlier on Tuesday, protesters unfurled a massive banner featuring a photograph of Trump and Epstein near the castle, and later projected several images of the pair onto one of its towers.
UK police said in a statement that four adults were arrested on suspicion of malicious communications following an "unauthorised projection" at Windsor Castle, which they described as a "public stunt". They remain in custody.
The protest was organised by the Stop Trump Coalition, with thousands of demonstrators expected to march through central London on Wednesday. Source: Getty / Yui Mok
The release of the letter by Democrat politicians earlier this month has brought renewed attention to an issue that has become a political thorn in the president's side.
Though he has urged his supporters to move on from the topic, there has been renewed interest in details about Epstein's crimes and who else may have known about them or been involved with him.
Trump was friends with Epstein before becoming president, but had a falling out with the former financier years before his 2019 death in prison.
The birthday letter contained text of a purported dialogue between Trump and Epstein in which Trump calls him a "pal".
"May every day be another wonderful secret," the letter reads.
The text sits within a crude sketch of the silhouette of a naked woman.
Thousands of protesters are expected to march through central London on Wednesday, although Trump is not expected to visit the British capital during his visit.
