also been hurt but the injuries were absolutely horrific. according to witnesses and to the emergency room trauma doctors. at least 140 treated in local hospitals, more than 100 reported to be in the hospital still tonight. 15 critically injured. three killed, as you mentioned, possibly 10 or more who lost limbs. some of the victims were very small children. most of them were just innocent spectator, lining the parade route, lining the race route, watching people race, include egg woman who from seattle, who was there to watch her sister run the race. >> i was probably just, you know, a half a block over. and all of a sudden, everybody's running and screaming and saying, there is a bomb, there is a bombing. >> a very active, fluid investigation. according to the officials here, the city relatively quiet at this hour, but again, the crime scene not quiet. investigators will be there for quite sometime. >> rick, i was wondering, i know the mayor asked people to stay home tonight.