"North fence line of @WhiteHouse is closed due to suspicious activity, Uniformed Division is responding, (sic)" the Secret Service said in a tweet.
"Update: subject is in custody, Lafayette Park & North Fence line along Penn. Ave. remain closed (sic)," the Secret Service tweeted.
Authorities are investigating the matter.
The Presidential manor was put on lockdown and the area along Pennsylvania Avenue was closed following the incident, local media reports said. (ANI)