The US Joint Base Andrews located in Maryland outside Washington D.C. is currently on lockdown amid reports of an active shooter.
According to Washington Times, the military base was placed on lockdown before 9 a.m. this morning.
The twitter handle of the Joint Base Andrews (JBA) tweeted, "JBA is currently on lockdown due to a report of an active shooter. All personnel are directed to shelter in place."
"The incident is ongoing at the Malcolm Grow Medical Facility. First responders are on-scene now. All personnel continue to shelter in place. Personnel on base have been directed to shelter in place. The base was scheduled to conduct an active shooter exercise, however, reports of a real-world active shooter situation were reported," it added.
Joint Base Andrews is located around 20 miles outside of downtown Washington, D.C. and hosts aircraft used by American President Barrack Obama.