UPDATE: Following a thorough sweep, police gave the "all clear" and confirmed no evidence of a threat was found. The Zoo will remain closed and reopen Aug.30 at 8:00 a.m.
ORIGINAL STORY:
The National Zoo is temporarily closed due to a reported bomb threat.
Reopening information will be posted when it becomes available.
Officials say all other Smithsonian museums are open.
Staff and visitors have been evacuated as the Metropolitan Police Department investigates.
This story will continue to be updated as more information becomes available.
