May 4, 2011 6:04 am Raw Video: House Explosion in Montgomery Co. Just after 3 a.m. Wednesday, a house exploded in the 11000 block of Ashley Drive in Rockville, Md. 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