BETHESDA, Md. (AP/WBTW) — The Latest on reports of an active shooter at Walter Reed National Military Medical Center (all times local):

3:35 p.m.

The Navy says a drill was taking place at a Maryland base that’s home to Walter Reed National Military Medical Center, where an active shooter had been reported.

Naval Support Activity Bethesda tweeted Tuesday afternoon that no shooter had been found and personnel could move about the Maryland base freely.

NSAB had tweeted earlier in the afternoon that an active shooter had been reported in the basement of one of the buildings on that base.

3:30 p.m.

Officials have given the all clear after reports of an active shooter at Walter Reed National Military Medical Center outside Washington.

Naval Support Activity Bethesda tweeted Tuesday afternoon that no shooter had been found and personnel could move about the Maryland base freely.

NSAB had tweeted earlier in the afternoon that an active shooter had been reported in the basement of one of the buildings on that base. Security found “no indication” of an active shooter after clearing the area.

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3 p.m.

Police in Maryland say they’re investigating a possible report of an active shooter at the Walter Reed hospital outside Washington.

Montgomery County Police officer Rick Goodale says police were called to the scene Tuesday just after 2:20 p.m.

In a tweet, U.S. Rep. Dutch Ruppersberger of Maryland says he and about 40 other people are in a conference room at the hospital.

No other details were immediately available.

WBTW News13 will provide updates as we receive them. 

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