welcome back to "the lead." we're continuing to follow breaking news in our national lead. a shooter or shooters are on the loose after wounding three students outside rosemary anderson high school in north portland, oregon. let's go back and reset what we know so far. there are at least three victims, all of them students, teenagers. they have been shot. a witness tells us he saw two males and a female being loaded into ambulances. police say the victims were transported from the scene. they were conscious and breathing, at least one of them speaking, according to a witness with whom we spoke. they were taken to nearby emmanuel medical center which does have a trauma unit. the fire department told us they are treating these injuries as if they are life-threatening, although that doesn't necessarily mean that they are life-threatening. the hospital isn't indicating