Fresno fire crews call for mayday during structure fire

September 28, 2013 12:00:00 AM PDT
Fresno fire crews had to call for a mayday after a building collapsed due to a structure fire.

The fire happened while firefighters were trying to put out the flames at Belmont and Thorne. Investigators are trying to figure out what caused the building to fall. No one was injured when the structure fell and no other injuries were reported.