two gunmen stood up inside the movie theater setting off a gas cannister of some sort. >> tear gas. and one long weapon was spotted and described by witnesses at the scene the we know that 10 to 12 people are dead. including children. possibly one infant who was shot reportedly by a witness at point blank range. 20 to 30 others have been injured and are being treated at a unit set up at the scene at the mall theater and others have been taken to nearby hospitals. >> justin joseph has been bringing us up to speed. he is with the local fox affiliate. what do we hear from the hospitals at this hour? i understand swedish medical center, a significant-sized hospital there has said some of the injured arrived. some are in critical condition. but they expect more. it sounds like, perhaps, not all those injured have been brought to hospitals yet. >>guest: that is what we hear.