Photo taken on Aug. 3, 2021 shows the Pentagon in Arlington, Virginia, the United States. The Pentagon lifted the lockdown roughly an hour and a half after multiple gunshots were fired near the Metro bus platform outside the building on Tuesday morning. The Pentagon Force Protection Agency, which sent out a lockdown alert following the "shooting event," said at the noon time that the facility reopened and the "scene of the incident is secure" though remains an active crime scene. (Photos: Xinhua)

Photo taken on Aug. 3, 2021 shows the Pentagon in Arlington, Virginia, the United States. The Pentagon lifted the lockdown roughly an hour and a half after multiple gunshots were fired near the Metro bus platform outside the building on Tuesday morning. The Pentagon Force Protection Agency, which sent out a lockdown alert following the "shooting event," said at the noon time that the facility reopened and the "scene of the incident is secure" though remains an active crime scene.

Photo taken on Aug. 3, 2021 shows the Pentagon in Arlington, Virginia, the United States. The Pentagon lifted the lockdown roughly an hour and a half after multiple gunshots were fired near the Metro bus platform outside the building on Tuesday morning. The Pentagon Force Protection Agency, which sent out a lockdown alert following the "shooting event," said at the noon time that the facility reopened and the "scene of the incident is secure" though remains an active crime scene.