Lockdown lifted at Andrews

JOINT BASE ANDREWS — A military post near Washington says a lockdown has been lifted, except for the medical building where an active shooter was reported.

Joint Base Andrews said in a tweet Thursday morning that the all-clear was given for the base except for the medical building. The base did not say why the building remained on lockdown.A law enforcement official says no active shooter was found at a military post outside Washington.The law enforcement official was not authorized to discuss the matter by name and spoke on condition of anonymity.

The base had been placed on lockdown after an active shooter was reported. The base is home to Air Force One and is about 20 miles from Washington.

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