September 7, 2011 11:18 pm Heavy Rain Brings Flash Floods to Maryland NBC Washington’s Aaron Gilchrist reports on the areas hardest hit by Wednesday’s storms. Local 3:27 How the pulley system helps first responders make rescues 0:24 1 killed, 23 others hurt in Maryland party bus crash 2:29 George Washington University president says pro-Palestinian encampment is ‘unlawful' 0:51 25 arrested in pro-Palestinian protest at UVA 1:42 Man dies after crashing into White House security barrier