Fire at Southern California Pallet yard goes to a fourth alarm

Riverside County, California (NBC) — Dozens of firefighters are battling a fire at a pallet yard in Riverside County, California.

The fire, which started shortly before 3 a.m. Friday, burned one half acre of pallets and has gone to a fourth alarm.

Multiple explosions were reported due to propane tanks in the pallet yard.

This is the four or fifth pallet fire in the area in the past few weeks and arson is investigating.

The fire is not threatening any structures and so far, no one has been injured.