Some are claiming this is a drill. NBC News reports:
Joint Base Andrews in Maryland has been placed on lockdown following a report of an active shooter. The base was placed on lockdown just after 9 a.m. Thursday, officials at the base told News4. News4’s Scott MacFarlane citing sources says the incident is at the Malcolm Grow Medical Facility. First responders are on the scene now. All personnel have been directed to shelter in place. Joint Base Andrews, in Prince George’s County, Maryland, is the home of Air Force One and to other emergency reaction units for the area around the nation’s capital.
JBA is currently on lockdown due to a report of an active shooter. All personnel are directed to shelter in place. More info as it comes.
— Joint Base Andrews (@JBA_NAFW) June 30, 2016
The incident is ongoing at the Malcolm Grow Medical Facility. First responders are on-scene now. All personnel continue to shelter in place — Joint Base Andrews (@JBA_NAFW) June 30, 2016
— FOX 5 DC (@fox5dc) June 30, 2016
UPDATE: Just a false alarm, folks. Somebody’s gonna get fired.