>> trace: we're keeping an eye on portland, oregon where cops say a s.u.v. hit three meme and drove off. it happened near portland state university. a witness told the oregonian newspaper that the driver plowed on to the sidewalk and really banged up a lot of people. police say two of the victims have life threatening injuries. right now there is no indication at all that this is anything other than a hit-and-run. we'll keep our eyes on it and keep you posted. a teacher tackled a shooter that opened fire at a middle school in indiana today. that's according to a student. it happened in noblesville, who is about 20 miles north of indianapolis. police say a student shot a teacher and a classmate before the teacher swatted the gun away. emergency officials say the victims went to the hospital. one eighth grader says he heard at least 16 gun shots. this comes a week after a gunman in texas killed eight students