The British authorities have been implementing the largest operation in Charles III, which is designed to ensure maximum security of US President Donald Trump this week, according to The New York Times.
In order to ensure Trump's safety, British intelligence agencies use drones, snipers, riding policemen and boats, among other things.
Last week, the murder of a conservative activist Charlie Kirk forced London to "study possible threats in more detail," he said.
As the White House reported earlier, Trump will make a second state visit to the United Kingdom on September 16-18. King Charles III will host the US President at Windsor's castle.
