The White House and ALL FEDERAL BUILDINGS are on lockdown in Washington DC on Tuesday morning.
According to Blake Burman on FOX Business Network an aircraft violate the DC airspace.
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White House totally on lockdown. All press being sheltered in place inside briefing room. Similar reported response at the a U.S. Capitol + congressional office buildings pic.twitter.com/9GlXpH1qLq
— j.d. durkin (@jiveDurkey) November 26, 2019
UPDATE: The lockdown was lifted after 20 minutes.