Gym damage, mainly from smoke, put at $300,000

azstarnet.com — Officials ruled spontaneous combustion as the accidental cause of the fire that resulted in $300,000 in damage to World Gym, said Capt. Norm Carlton, a Tucson Fire Department spokesman. At 5 a.m., a passer-by reported seeing smoke coming from the gym, at 3327 N. First Avenue, Carlton said.