Two people have been arrested after a car crashed into a security barrier near the White House, and one person tried to jump a barricade in the same area.
Secret Service police and National Guard were called when a car crashed in Lafayette Park.
Police said the driver "was combative with law enforcement" but was quickly placed under arrest.
Washington police's bomb department is searching the car as a precaution, the Secret Service added.
President Donald Trump was at home during the incidents.
Around the same time, a second individual "jumped a barricade near the northwest corner of Lafayette Park", the Secret Service said. Police quickly arrested the individual.
Police are investigating both incidents.
The incidents prompted a lockdown of the White House, which was lifted later on in the morning.
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According to Sky News partner NBC, Secret Service agents ordered journalists to stay in the briefing room in the West Wing.
Footage shared by a journalist from The Washington Sun, Martin Austermuhle, shows a smoking silver sedan on a brick walkway just north of the White House.
Secret Service officers also appear to talk with the driver as National Guard troops stand by.
A Secret Service statement read: "The driver was combative with law enforcement but was quickly placed under arrest."
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