Explosion At Butler Co. Chemical Plant Causes Fire, Shakes Homes Up To 3 Miles AwayInvestigators are working to determine what caused an explosion and fire on the grounds of a chemical plant in northern Butler County Thursday afternoon.
Police: Cafeteria Worker Threatened To Use Oxygen Tank To Blow Up SchoolA cafeteria worker has been charged with threatening to use her oxygen tank to blow up the Pennsylvania public school where she worked.
Crews Battle Plant Fire In PetroliaCrews battled a fire at a petroleum plant overnight.

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