Federal authorities investigate giant ‘8647’ markings on National Mall

Federal authorities investigate giant ‘8647’ markings on National Mall NBC News Grass on the National Mall Is Vandalized With ‘86 47’ Stains The New York Times Large etchings of numbers signaling opposition to Trump appear on National Mall The Washington Post Huge ‘8647’ etched into grass on the National Mall, aerial images show CNN Police investigate '8647' written in grass on US national mall BBC