President Donald Trump’s high-profile visit to Beijing produced a tense security confrontation that played out mostly behind the scenes but spilled into public view on Thursday when reporters confirmed a physical standoff between U.S. Secret Service agents and Chinese security officials at the Temple of Heaven. The dispute centered on a single, non-negotiable point: Chinese officials refused to allow an armed Secret Service agent accompanying the White House press pool to enter the historic compound with his weapon. What followed, according to multiple reporters traveling with the president, was an intense argument that delayed the pool’s entry by roughly 30 minutes. Fox News senior White House correspondent Peter Doocy described the clash on air, and video of his report quickly went viral.