UPDATE 2:30 PM Eastern:
The Secret Service released the following statement:
"On March 18, 2017 at approximately 1243 pm, an individual jumped over the bike rack on Pennsylvania Ave in an apparent attempt to get to the White House Fence. The individual was immediately apprehended by United States Secret Service Uniformed Division officers before reaching the White House Fence. As standard operating procedure, Secret Service personnel increased their posture of readiness. Criminal charges are pending."
UPDATE 1:13 PM Eastern:
White House Press Secretary Sean Spicer tweeted:
Individual jumped bike rack on Pennsylvania Ave, not @WhiteHouse fence. Great response by @SecretService
— Sean Spicer (@PressSec) March 18, 2017
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.
BREAKING NEWS: @SecretService draws guns at White House. pic.twitter.com/UTi48Mc0oh
— Fox News (@FoxNews) March 18, 2017
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.