Suspected gunman dies after exchange of fire with Secret Service agents at White House checkpoint
Suspect dies after firing upon agents at White House checkpoint, Secret Service says, with a bystander also injured

TL;DR
- A man approaching a White House security checkpoint fired a pistol at officers.
- Secret Service officers returned fire, striking the suspect, who later died at a hospital.
- A bystander was also shot during the incident, with it unclear if they were hit by the suspect's initial gunfire or the subsequent exchange.
- President Trump was in the White House but unaffected and praised the law enforcement response.
- The suspect reportedly had a history of mental health issues and a previous arrest for unauthorized entry attempts.
- This incident follows other recent security events near the White House involving firearms.