U.S. Secret Service agents killed a 21-year-old gunman who opened fire near the White House security perimeter on Saturday evening [1], [2].

The incident represents a significant security breach at the center of the U.S. government, occurring while President Donald Trump was inside the building [2].

According to reports, the suspect targeted officers near the White House North Lawn [2], [3]. The exchange of gunfire prompted an immediate lockdown of the premises. Some reports indicate that between 20 and 30 shots were fired during the encounter [4].

"The suspect is dead and a bystander was wounded," a Secret Service spokesperson said [5]. The wounded bystander was reported to be in critical condition [6]. The sudden violence caused chaos on the grounds, where journalists and tourists were forced to flee for safety [7].

President Donald Trump was inside the White House during the shooting [2]. While officials have not confirmed a formal motive for the attack, the president addressed the suspect's possible intentions.

"He had a possible obsession with the White House," Trump said [6].

Security forces cleared the lawn and maintained a strict perimeter as they investigated the scene [5]. The gunman was identified as a 21-year-old male [2]. Authorities have not released further details regarding the identity of the suspect, or the condition of the injured bystander.

"The suspect is dead and a bystander was wounded."

This event highlights the ongoing vulnerability of high-profile government installations to lone-actor attacks. The fact that a gunman was able to open fire within the security perimeter while the president was in residence suggests a potential gap in outer-layer screening and response protocols.