UPDATE 2:30 PM Eastern:
The Secret Service released the following statement:
UPDATE 1:13 PM Eastern:
White House Press Secretary Sean Spicer tweeted:
UPDATE: Sources told Fox News agents were responding to a fence jumper. Agents are currently searching the North Lawn.
According to Fox News, Secret Service agents "began screaming and clearing Lafayette Park" with guns drawn.
Cameramen were told by the Secret Service to clear the front lawn.
President Trump is in Florida. This story will be updated as more information becomes available.