Damage inside Green Bay Preble High School is seen Aug. 10, 2014, two days after a fire.

Spontaneous combustion started Preble fire

Firefighters say heat built up in a garbage can where soiled rags were left.

This Aug. 14, 2009 file photo shows actor Robin WIlliams from the film "World's Greatest Dad" in Los Angeles. Williams, whose free-form comedy and adept impressions dazzled audiences for decades, has died in an apparent suicide. He was 63.

Photos: Remembering Robin Williams

Celebrated actor Robin Williams was found dead at his home Monday, Aug. 11. Williams was found at his home in what police believe was “suici…