In Southern California, two counties are sending crews to Orange County after eight firefighters there were injured in a crash. They will help in the battle against the devastating Airport Fire, which is now more than 50% contained after days of progress.

IRVINE, Calif. — Eight firefighters were seriously hurt when a fire truck crashed and rolled over near Irvine, Calif. Thursday night. Video from the scene shows the mass casualty response.

Eight firefighters were hurt -- including two critically -- when the fire truck they were in rolled over while returning from a 12-hour shift battling the Airport Fire wildfire, one of several large blazes raging in Southern California,