A vehicle has crashed into the White House barrier.
The White House is now under lockdown as the Secret Service investigates. The driver was reportedly a female who was immediately apprehended by authorities. The vehicle did not breach the barrier.
UPDATE: "The vehicle did not breach the security barrier of the White House complex," US Secret Service says; "the female driver of the vehicle was immediately apprehended."
— NBC News (@NBCNews) February 23, 2018