The White House was placed on lockdown after a suspicious package was found nearby.
“Uniformed Division Officers responding to a suspicious package near Madison & Penn. Ave. Vehicle and pedestrian traffic may be impacted,” the Secret Service tweeted.
It iwas the second incident to cause a lockdown in two days - after a male suspect was arrested for throwing items - believed to be a sign and a notebook - over a fence at the northern end of the White House.
The fire service and police were also on the scene, while reporters were asked to clear the area.
The Secret service later tweeted that the suspicious package had been cleared, with White House activity returing
Final Update: Suspicious package has been cleared, @WhiteHouse activity returned to normal. Traffic to return to normal shortly.— U.S. Secret Service (@SecretService) September 12, 2017
The daily press briefing from the White House was pushed back by 30 minutes until 2.30pm local time thanks to the lockdown.