‘A gunman known to the U.S. Secret Service opened fire near the White House and was shot and killed by federal officers. President Trump was in the White House at the time…

…Within the last month, two people have been arrested after opening fire in the vicinity of top U.S. officials.

On April 25, a man from California who was armed with a shotgun, handgun and several knives charged past a security checkpoint at the White House Correspondents’ Association dinner, where Mr. Trump was due to speak, before being subdued by Secret Service agents.

On May 4, a man from Texas was wounded during an exchange of gunfire with Secret Service officers near the Washington Monument, accused of making vulgar statements about the White House afterward, as he was being taken to a hospital in an ambulance…’ (Campbell Robertson via The New York Times)