UPDATE 9:15 AM:
The Florida Highway Patrol reports that a semi-truck was going south on SR-31 while a truck driver was going north. The semi entered the truck's pathway, and hit it head-on.
The truck driver, a 23-year-old male from Lakeland, and their passenger, a 22-year-old from Auburndale, have serious injuries, according to FHP.
Troopers said the semi-truck driver has minor injuries.

ORIGINAL REPORTING:
Charlotte County first responders are on the scene of a crash, Friday morning.
SR 31 is shut down in both directions between Bermont Road and Farabee Road due to a serious crash involving a semi and a pickup truck, according to the Charlotte County Public Safety Page. It’s expected to remain closed for hours, as of 9 a.m.
Around 4:39 a.m., crews were sent to the crash with reports of injuries. Arriving crews found a major crash with two people outside of the vehicle with severe injuries. Both patients were flown to the Trauma Center at Gulf Coast Medical Center by Bayflight and Aeromed. A landing zone was set up on scene at a nearby watermelon farm for the helicopters by our crews. One person refused care, according to officials.
FHP is investigating the accident.