Park fire and EMS personnel responded to a mutual aid request from Mariposa County for an assist at a head-on collision on Highway 140 near El Portal just before 3 p.m. on August 24th. The high-speed collision caused major structural damage to both vehicles. Four people were injured. Two air ambulances landed on the roadway near the accident scene and transported the two most critically injured victims. One, a teenager, was flown to Doctors Medical Center in Modesto and taken directly to surgery.