A math teacher has been credited with saving the lives of his students after he tackled a gunman who had opened fire on middle schoolers in Littleton, Colo., Tuesday, three miles from the site of the 1999 Columbine massacre.
Math teacher tackled a gunman who shot two students at a Colorado school.
Just after 3 p.m., when students were leaving class at Deer Creek Middle School, witnesses say a stranger appeared near the school with a high-powered rifle and began firing into the crowd without warning.
Full story: Littleton, Colorado School Shooting Miles From Columbine–ABC News