on wgn america and on the web . that explosion happened around 10:00 this morning that 60 mi. southwest of chicago it s a community of less than 2000 people the addresses listed as natural gas pipeline co. of america at least two of the five victims have been seriously injured at this hour the building has been secured the cause of the explosion is not known but the kankakee county sheriff s department said that it was not due to a gas leak questions remain in the aftermath of this weekend s estate collapse at the indiana state fair where five people were killed and dozens injured those lingering questions focus on the safety of the structure why fans were not evacuated and whether anything could of been done to prevent the tragedy the stage collapsed onto a crowd of concertgoers awaiting a show by the country banned sugarland as a woman who captured the event and video spoke with cnn this could happen to members of my family we were all in attendance a state fair officia