What We Know About Security at White House Correspondents’ Dinner

A suspect is in custody after an incident in which shots were fired outside the annual White House correspondents’ dinner in Washington on April 25, which was attended by President Donald Trump, but what do we know about the security procedures in place on the night?
The president and First Lady Melania Trump were evacuated from the dinner, which was taking place in the ballroom at the Washington Hilton, after a gunman breached security and shot a Secret Service agent.
The White House Correspondents’ Association (WHCA) dinner has taken place every year since 1921, and the first president to attend one was Calvin Coolidge in 1924….