Among the targets are the Washington Monument and Jefferson Memorial, which stand on federal land and are outside the capital city government's control.

``There was some kind of a dispute,'' Newsham said. ``Multiple weapons were produced.'' He said a motive for the shooting wasn't clear.

Federal agents dispatched to Portland at the direction of President Donald Trump have drawn national attention for violent tactics against Black Lives Matter protesters.

"The section of 16th street in front of the White House is now officially `Black Lives Matter Plaza,'" Washington, D.C., Mayor Muriel Bowser tweeted.

Several mail carriers were left with minor injuries after the assaults in Maryland and Washington, D.C.

Rats are being pushed to cannibalism, turf battles and infanticide because restaurant waste has died up during coronavirus lockdowns.

The vehicle tried to gain entry by "following another vehicle that was lawfully entering at an external complex checkpoint," officials said in a tweet. 

This isn’t the first time a closely-watched political saga has inspired special menus in Washington.

A panic caused by a mistaken belief that a gun had been fired during a pride parade in America’s capital sent people running through the city’s streets, authorities said.

Three masked people rammed their vehicle into the wall of a store in Washington, D.C., to steal an ATM.