FALCONER — A trash can fire at Falconer High School caused no structural damage overnight.

According to the Chautauqua County Sheriff’s Office, at about 1:30 a.m. Thursday, the Falconer Fire Department along with other area fire departments responded to a fire alarm at the high school.

Responding fire companies dealt with a heavy smoke issue inside the school upon their arrival. A short time later the fire was found in the custodian work shop area in the basement of the school. The fire was quickly extinguished and the Chautauqua County Fire Investigation Team was called.

The fire was investigated and found to be a contained to a plastic garbage can inside this custodian work shop area. After several interviews and the on-scene investigation, the fire was determined to be accidental due to a spontaneous combustion of mineral oil saturated cotton rags confined in a plastic garbage can. No fire damage to the building was observed.