WINDSOR, England, June 26 (UPI) -- A video purportedly shot at Britain's Windsor Castle features a tourist making an important discovery: You can mock a Queen's Guard, but don't ever touch one.
The video, posted to YouTube by hngjms, shows a tourist marching alongside a Queen's Guard in an apparent mockery of the red-clad man and placing a hand on the guard's shoulder.
The physical contact leads the guard to quickly pull his bayonet-tipped rifle and shout, "Get back from the Queen's Guard!"
The tourist quickly runs off as the camera operator and another witness can be heard laughing.
"What a stupid jerk," hngjms wrote in the video's description.