December 7, 2011 8:28 am Demonstrators ‘Day of Action' Demonstrators obtained a permit to march through downtown D.C. Wednesday afternoon. Police tell motorists and pedestrians to avoid the area. Local 3:27 How the pulley system helps first responders make rescues 0:24 1 killed, 23 others hurt in Maryland party bus crash 1:05 Court docs reveal moments leading up to Dunbar High School shooting that hurt teen 2:29 George Washington University president says pro-Palestinian encampment is ‘unlawful' 0:51 25 arrested in pro-Palestinian protest at UVA