District of Columbia police confirm that shots have been fired at a visitor center at the US Capitol, with individuals warned to shelter in place.

According to officials, one Capitol police officer has been shot, but is not seriously wounded. The shooter is in custody, shot by Capitol Police according to local ABC. US Capitol Police sent out a message to Capitol staff that no one will be allowed to enter or exit any buildings.

Authorities have stressed that this is an isolated incident and that there is no active threat to the public.

"There has been an isolated incident at the US Capitol. There is no active threat to the public" DC Police Department said on Twitter.

(With inputs from Sputnik, NPR)