Authorities said alert firefighters wrapping up an earlier fire at an office building several blocks away spotted the fire on a balcony of the residential tower.
Paramedics were hospitalized after their ambulance was struck by a tractor-trailer and overturned.
The boulders are about 15 feet by 15 feet and dwarfed the large SUV in size.
Coroner said victims were ages 7, 9, 10 and 16 years old.
The patient grabbed a knife from Norris and began to stab him with it.
The Unicoi County Commission has unanimously approved an agreement to establish a county-wide ambulance service and an oversight board.
SUV crossed the center line and struck an ambulance carrying a patient.
Several people are reported injured, dead, or missing after a fire in Jackson County.
The Los Angeles County medical examiner, Dr. Jonathan Lucas, said the rugged terrain complicated efforts to recover the remains.