UPDATE: Authorities gave the all clear at Walter Reed National Military Medical Center in suburban Washington, the biggest military hospital complex in the world, after a report of a gunshot triggered a lockdown on Monday, the U.S. Navy said.
Police found no sign of a gunshot or injuries at the sprawling 243-acre (98-hectare) campus in Bethesda, Maryland, the Navy said on its Twitter feed. A call to police reporting the sound of a gunshot triggered the lockdown of the Bethesda, Maryland, site and a massive security response.
Officers cleared the 20-story building where the gunshot was reported and found nothing, the Montgomery County Police Department said on Twitter.
Police said non-emergency patient care at Walter Reed was suspended for the day.
The Walter Reed report came after an unfounded call of a gunshot at the Washington Navy Yard sparked a heavy police response on Thursday.
(By Ian Simpson; Reporting by Emily Stephenson and Ian Simpson; Editing by Will Dunham)
Police were investigating a report of a gunshot heard on July 6 at Walter Reed National Military Medical Center in suburban Washington.
The U.S. Navy said employees at the sprawling hospital's campus in Bethesda, Maryland, were told to shelter in place as police and security personnel responded to an unconfirmed report of an active shooter.
The Walter Reed report came after an unfounded report of a gunshot at the Washington Navy Yard sparked a massive police response on Thursday before the Independence Day holiday.
The Montgomery County Police Department said it had received a telephone call at 10:48 a.m. EDT with a report of a gunshot at Walter Reed. Police have not confirmed that report.
Helicopter camera footage from the local NBC TV affiliate showed officers in body armor and helmets deploying across the hospital grounds.
(Reporting by Emily Stephenson and Ian Simpson; Editing by Will Dunham)
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