WASHINGTON — The Secret Service fatally shot a person who opened fire on officers at a security checkpoint Saturday in an exchange of gunfire that briefly locked down the White House, officials said.

A 21-year-old Maryland resident with a history of mental health issues has been identified as the gunman who opened fire at a U.S. Secret Service security checkpoint outside the White House Saturday e...

On Saturday, U.S. Secret Service agents fatally shot a 21-year-old man after he opened fire on officers at a White House security checkpoint, resulting in a bystander being injured, officials said.