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.
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 (@jd_durkin) November 26, 2019
UPDATE: The lockdown was lifted after 20 minutes.