How the FSU mass shooting unfolded: A minute-by-minute timeline

A mass shooting at Florida State University on Thursday prompted a campus-wide lockdown, the cancellation of classes and events and a large law enforcement response before authorities took the attacker into custody. Two people were killed and six others were injured in the tragic incident.

Police said the gunman was believed to be a 20-year-old FSU student. He has been identified as the son of a Leon County deputy sheriff and was taken into custody. 

Here's a minute-by-minute recounting of the events: