The Los Angeles County Fire Department reported that the explosion occurred around 2 pm in the 7300 block of Pearblossom Highway. Details regarding the cause of the blast were not immediately provided.
An ambulance reportedly transported at least one other individual to a hospital, although additional injuries were not confirmed at the time.
The circumstances surrounding the explosion, including the number of injured, remain under investigation.
The identity of the deceased firefighter has not been disclosed, and it is unclear whether they succumbed at the scene or later at a medical facility.
Video footage from the scene depicted a large truck engulfed in flames.
