Man fires into crowd of middle school students in Littleton, Colorado–just miles from Columbine

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