A man was arrested on suspicion of common assault after an egg was believed to have been thrown in the direction of Britain's King Charles during a walkabout on Tuesday.
The alleged assault took place while Charles, 74, who came to the throne in September after the death of his mother Queen Elizabeth, was visiting Luton, northwest of London.
A police spokesperson confirmed a man in his 20s had been arrested in Luton's St George’s Square and was in custody for questioning.
Last month, a man was detained by police after eggs were thrown at Charles and Camilla, his wife and the queen consort, as they carried out an engagement in northern England.
The latest incident comes as the royal family braces itself for the release of a Netflix documentary series on Thursday about the king's younger son Prince Harry and his wife Meghan, and their latest expected criticism of the royal household.
Hamas handed over three Israeli hostages on Saturday, whose emaciated appearance shocked Israelis following their release on live TV, in the latest stage of a ceasefire deal aimed at ending the 15-month war in Gaza.
The US Coast Guard in Alaska found the wreckage of a small plane atop frozen sea ice on Friday, after the aircraft suddenly lost altitude on Thursday and the crash killed all 10 people on board, officials said.
A US judge has temporarily allowed roughly 2,700 US Agency for International Development employees put on leave by President Donald Trump's administration to go back to work, pausing aspects of a plan to dismantle the agency.
Hamas accused Israel of multiple breaches of their ceasefire agreement on Friday, a day before the scheduled exchange of three more Israeli hostages for Palestinian prisoners in the latest stage in a fragile deal aimed at ending the war in Gaza.