Four adults have been arrested after photos and videos of President Donald Trump with convicted sex offender Jeffrey Epstein were projected onto Windsor Castle.

Posters calling for the release of the Epstein files are displayed on a wall in Washington, DC on Monday, Sept. 8, 2025. On Tuesday, four people were arrested in Britain over projecting videos and photos of the two men together on Windsor Castle. Photo by Annabelle Gordon/UPI UPI

Sept. 17 (UPI) -- Authorities in London have arrested four adults accused of being responsible for the projection of photos and videos of President Donald Trump with convicted sex offender Jeffrey Epstein onto Windsor Castle on Tuesday night.

Uncorroborated video of the projection posted online shows it appeared to be a video detailing the connections and friends between Trump and Epstein involving videos and photos of them together.

The video was projected on London's famed Windsor Castle ahead of Trump's visit to London for a state visit.

Thames Valley Police said Tuesday night that four adults were arrested on "suspicion of malicious communications," while describing the video protest as a "public stunt."

"Our officers responded swiftly to stop the projection and four people have been arrested. We are conducting a thorough investigation with our partners into the circumstances surrounding this incident and will provide further updates when we are in a position to do so," Chief Superintendent Felicity Parker of Thames Valley Police said in a statement.

All four suspects, whose identities have not been made public, remained in police custody as of Tuesday night.

Epstein died by apparent suicide in a Manhattan jail in August 2019 while awaiting trial for sex-trafficking offenses.

The disgraced New York financier was a longtime assocaite of the president, and their relationship and questions surrounding it have dogged Trump for much of his second term.

Trump, who campaigned on releasing federal investigation files on Epstein, has received strong criticism from not only Democrats but from members of his on base for not making those documents public.

Late last month, a House committee released records from Epstein's estate that included a birthday letter to Epstein from Peter Mandelson, resulting in British Prime Minister Keir Starmer firing him as London's ambassador to the United States.

The committee last week also released a lewd, decades-old birthday note allegedly from Trump to Epstein.

Trump has attempted to brush the issue aside, calling it a "Democratic hoax" and the birthday note a "fake."

The American president has sued both The New York Times and The Wall Street Journal over their reporting on the letter.

Trump is scheduled to be in Britain from Wednesday through Friday, during which he is to visit Windsor Castle, where King Charles III will host him and first lady Melania Trump.

This will be Trump's second state visit to Britain, following his first in 2019.