A suspect was killed after opening fire at a Secret Service checkpoint outside the White House. Law enforcement officials confirmed that officers fatally shot the gunman, who allegedly approached the security area with a weapon. In the ensuing chaos, at least two individuals were reported injured, including a bystander. The incident prompted a lockdown of the White House and an extensive police response, with sounds of gunfire heard in the vicinity. Authorities are investigating the situation as journalists and others nearby were forced to seek cover during the unfolding events.