A two-alarm fire damaged a trailer and some vehicles parked at an East Main Street business.

The fire was reported at about 8:00 p.m. Monday in the rear of the business in the 800 block of East Main Street. Shortly after arrival , El Centro Fire issued a second alarm for assistance from other fire agencies. The fire appeared to be confined to a trailer nd several vehicles parked in the rear of the business. Cause of the fire remains under investigation.