Fire at Illinois chemical plant could cause 'environmental nightmare,' fire chief says
By David K. Li
Firefighter injured, mandatory evacuation in Rockton from fire at Chemtool facility
By Danielle Tumilowicz
Rockton Chemtool explosion causes major fire, smoke at chemical plant; evacuation ordered in area
By Liz Nagy, John Garcia & Ravi Baichwal
Massive explosion at Illinois chemical plant prompts evacuation and potential 'environmental nightmare'
By Graig Graziosi
Rockton Chemtool chemical plant in Illinois explodes
By Gabrielle Fonrouge