WATCH: Orange County deputy seriously injured in three-car crash, troopers say

by: Cierra Putman Updated:

ORLANDO, Fla. - An Orange County Sheriff's Office deputy was injured in a three-car crash in south Orlando Saturday evening, firefighters said. 

The crash, which was caused by the deputy, occurred shortly before 8 p.m. at the corner of John Young Parkway and Americana Boulevard, blocking all southbound lanes, the Florida Highway Patrol said.

Read: 1 pedestrian killed, 1 injured in John Young Parkway crash, officials say

Troopers, who arrived on scene shortly before 8:10 p.m., said deputy Bertha Osorio, 23, was driving north on John Young Parkway with her sirens active when she lost control of her patrol car and skipped the grass median into the southbound lanes.

Osorio's patrol car then crashed into a four-door 2000 Kia, driven by 45-year-old Lisette Pagan of Kissimmee, driving southbound.

Read: Woman killed in car vs. semi crash on John Young Parkway early Thursday

Also driving southbound, Joseph Williams, 37 of Orlando, was unable to stop in time and hit the patrol car, troopers said. 

Firefighters said they transported the three patients to Orlando Regional Medical Center. 

Osorio is in serious condition but the other two drivers sustained minor injuries, according to the crash report. 

Watch: Police: Men ditch car after crashing into Doritos truck in Orlando