A military post near Washington said a lockdown was lifted Thursday except for a medical building where an active shooter was reported earlier in the day.
Joint Base Andrews said in a tweet about 10:20 a.m. 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 was placed on lockdown at about 9 a.m. after an active shooter was reported....