When a 20-year-old opened fire at Florida State University Thursday, terrified students barricaded doors and fled across campus, abandoning chemistry notes and even shoes, in a shooting that investigators said killed two men and wounded at least six others.

Police say the shooting at Florida State University that left two dead and wounded six others lasted less than five minutes.

Police say a man believed to be a Florida State University student opened fire on campus, killing two people and wounding at least six others before he was shot and wounded by responding officers.

Investigators say the 20-year-old son of a sheriff’s deputy opened fire at Florida State University with his mother’s former service weapon, killing two men and wounding at least six others.