Joint Base Andrews is currently on lockdown, following a report of an active shooter, the base said on Twitter.
On its official Twitter account, the base ordered all personnel to shelter in place.
On Facebook, a post said the incident was ongoing at the Malcolm Grow Medical Facility, which is on the base. “First responders are on-scene now,” the post said.
Andrews Air Force Base is located in Prince George’s County in Maryland. It’s also the home of Air Force One.
This is a developing story. PBS NewsHour will update the report as more details become available.