Navy: Drill, not active shooter at Walter Reed hospital

BETHESDA, Md. (AP) — A drill was being conducted Tuesday afternoon when an active shooter was reported at Walter Reed National Military Medical Center outside Washington, the U.S. Navy said in a tweet.Naval Support Activity Bethesda gave the all clear on the Maryland base that houses the military hospital after security found "no indication" of an active shooter.The NSAB tweeted at 2:15 p.m. that an active shooter had been reported in the basement of a building. Public affairs officer Jere