August 15, 2011 7:36 am Raw Video: Upper Marlboro Sinkhole A water main break creates a massive sinkhole in Upper Marlboro, Md. Local 2:17 GW asks to students to move pro-Palestinian demonstration 3:01 “It's 100% different”: Community reflects on emergency curfew at National Harbor 2:25 Community, businesses mark first weekend of emergency curfew at National Harbor 1:27 Police search for suspect who vandalized Rockville synagogue sign 2:03 PNC Parkway Classic marks 40 years of racing in Virginia