Timeline: Florida State University, other deadly school shootings

At least three students were shot early Thursday at the Florida State University library before police killed the gunman when he shot at them when confronted, according to the Tallahassee police.

Here is a chronological look at fatal school shooting incidents that have occurred since Columbine.

Three victims in FSU campus shooting are all students

Police in Tallahassee, Florida said around 300-400 students were in Florida State University's Strozier Library when a gunman opened fire early Thursday morning. The gunman was killed and three students were injured in the shooting.