Fire investigators believe that arson may be involved in at least three fires Wednesday night.

Gary Mudrock, Salt Lake County Fire Investigator, said that investigators suspect juveniles set the fires at barns at at 4555 S. Sunstone Road and 4925 Murray Blvd. and at the Purcell Tire and Rubber Co. recapping plant at 5099 S. Main.The farm building fires were reported at 5:14 p.m. and 8:35 p.m. The recapping plant fire started at 11:04 p.m.

Mudrock said investigators do not believe a third barn fire at 3566 Mill-creek Road at 8:12 p.m. is connected to the other fires.