Rescue vehicles are seen outside the Pentagon Metro area, Tuesday, August 3, 2021 at the Pentagon in Washington. The Pentagon is on lockdown after multiple gunshots were fired near a platform by the facility's Metro station. Two people familiar with the shooting, which occurred on a Metro bus platform at the Pentagon, said at least one person was down. They spoke on condition of anonymity because they were not authorized to release information publicly. (AP Photo/Andrew Harnik)