UPDATED: Arlington National Cemetery Back Open Following Bomb Threat

(Update at 3:15 p.m.) Arlington National Cemetery is now back open to the public, after investigators determined that a bomb threat made this morning was unfounded.

Cemetery officials evacuated the burial ground earlier this morning, and now say the cemetery will remain open until 7 p.m. tonight, as usual.

#UPDATE: Arlington National Cemetery and @JBMHH emergency services have cleared all areas of the cemetery. As of 3 p.m., normal operations have resumed and the cemetery is once again open to the public.

We will remain open until 7 p.m., which is our normal closing time. https://t.co/gU5XSGeXVg

— Arlington National Cemetery (@ArlingtonNatl) August 22, 2018

"We take our responsibility seriously to ensure a safe and secure environment to our family members, guests, visitors and employees, and thank all our internal and external partners for their support and cooperation," said Kate Kelley, cemetery superintendent.

— Arlington National Cemetery (@ArlingtonNatl) August 22, 2018

Earlier: Arlington National Cemetery was evacuated this morning (Wednesday) due to a bomb threat, and is now closed to visitors for the rest of the day.

Cemetery officials wrote on Twitter that visitors and employees alike were safely escorted off the premises as the investigation continues.