Flames destroy three storage units in the city of Schertz.

It happened at Kings Storage on the 9400 block of FM 1518 at around 5:15 p.m. on Saturday.

"At first I was in my shop doing my thing and my brother tells me to come and then I just see flames. " said Derek Garcia, who witnessed the fire.

Garcia was able to help his friends salvage a few of their belongings.

"I managed to get two ATVs out, my brother managed to get two ATVs out," said Garcia.

Five different departments responded to the fire, including Schertz Emergency Medical Task Force.

Schertz Assistant Fire Chief and fire marshal Glen Outlaw said he believes the fire may have started accidentally.

"Apparently there was some folks in the unit working at the time were trying to make contact with them to see if they can help us out," said Outlaw.

Nobody was injured during the fire, but one firefighter was checked out for heat exhaustion. He is expected to be okay.