A gunman has reportedly barricaded himself inside a room after shots were fired inside a building at the Washington Navy Yard.
According to the Washington Post a police officer was shot nearby.
The US Navy says there are reports of multiple fatalities and injuries in the attack, inside its Naval Sea Systems Command headquarters.
"There is one confirmed injury. Emergency personnel are on scene and a 'shelter in place' order has been issued for Navy Yard personnel," the navy said in a statement.
Personnel at the base have been ordered to "shelter in place", the Navy said.
The US Navy said shots were reported to have been fired at the Naval Sea Systems Command headquarters at the yard in south-east Washington DC. Dozens of emergency vehicles have converged on the site.
As many as 3,000 people work at the command, which engineers, purchases, builds and maintains ships and submarines for the Navy.
WASHINGTON -- A "shelter-in-place" order was issued at the Navy Yard here after "several" people reportedly were shot Monday at the Naval Sea Systems Command headquarters, the Navy said. Washington's Metropolitan Police Department reported that four people were shot and that a suspect was on the loose in the building.
The shooter was described as a black male with a dark complexion, approximately 5'10" to 6 feet tall, 170 pound with a black shirt and black hat. He is believed to be barricaded somewhere and have multiple guns.
The Navy released a statement saying only that one injury injury was confirmed, but later said on its Twitter feed that "several' people were injured. The Navy said earlier tweeted that there was an "active shooter" at building 197 at the Navy Yard, and that three shots had been fired at 8:20 a.m. ET.
At least one person was injured Monday after a person fired shots inside the Washington Navy Yard, the U.S. Navy said. An official told CNN's Barbara Starr that "several" people sustained injuries, according to phoned-in reports from the building. The incident occurred at 8:20 a.m. when several shots were fired inside the headquarters for Naval Sea Systems Command in southeast Washington, D.C. An "active shooter" remained inside the building, the Navy said.
False Flag Op.
Said it first.
Ah Mondays are gooooood.