A report of an active shooter situation Thursday morning at Joint Base Andrews near Washington, D.C., has been resolved after the threat was determined to be unfounded.
Joint Base Andrews was put on lockdown due to reports of an active shooter situation. All personnel were told to shelter in place.
An active shooter drill was scheduled for Thursday morning, and the base was put on lockdown at 9 a.m. It was being treated as a real, active shooter situation.
NBC4 in Washington, D.C., had reported the following:
Joint Base Andrews said it had planned an active shooter exercise for 9 a.m., but around the same time, first responders received reports of a "real-world active shooter situation" at the Malcolm Grow Medical Facility. The base says it investigating the incident as an ongoing active shooter situation.
Multiple sources reported about an hour after the lockdown that reports of an active shooter were unfounded and that all is clear at Joint Base Andrews.
Sources: No active shooter at Joint Base Andrews https://t.co/DcKxp2ddzY
— MSNBC (@MSNBC) June 30, 2016
All clear at Joint Base Andrews after lockdown, according to a law enforcement official.
— CNN Breaking News (@cnnbrk) June 30, 2016
Someone reportedly mistook the active shooter drill for a real situation.
This post will be updated as more information becomes available.