Several people without power after structure fire in Fresno County

FRESNO, Calif. (KFSN) -- An investigation is underway to determine the cause of a fire that took down multiple power lines in Fresno County.

Fire crews say they responded to a structure fire on West Railroad in San Joaquin just before 4:30 p.m.

Officials say a transformer and a shed or barn caught fire, knocking multiple power lines out and leaving several people in the area without power.

The fire has been contained, and no one was injured, officials confirmed.

Crews say PG&E has been notified. It is unclear when power will be restored.