Police gave a short news conference. Details:
-- A vehicle attempted to pass a barricade near the White House at about 2:15 p.m. ET, and the Secret Service tried to stop it.
-- Shots were "potentially fired," and a chase of the vehicle began.
-- A police officer was injured in a crash at 1st and Constitution Avenue.
-- The chase ended up at 2nd and Maryland, near the Capitol, and the suspect's vehicle crashed into a barricade.
-- The condition of the suspect isn't available.
-- No information that the incident was related to terrorism.