05/20/2016 AT 04:25 PM EDT
Officials say President Barack Obama was not in the White House at the time of the shooting, though a source says Vice President Joe Biden was inside.
Biden is said to be secure and safe.
A man was shot outside the White House and was taken to an area hospital and is listed in critical condition, a law enforcement source explains.
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The White House and the offices of the Department of Treasury were both on lockdown following the shooting about 3pm on Friday.
Check back later for more on this developing story.