UPDATE: Sept. 14, 6:38 p.m.
FHP reports the four people who died were 18, 19, and 21-years-old. A 16-year-old got seriously injured. All of them were from Cape Coral.
Sept. 14, 11:43 a.m.
Florida Highway Patrol is investigating a deadly crash that left three people dead and two seriously injured early Saturday morning.
Troopers say one vehicle was involved in the crash.
It happened near mile-marker 110 on I-75 in Collier County.
FOX 4 is working to provide you with updates.
