Plumes of smoke were sent billowing into the air in northern Illinois after a possible explosion at a chemical plant.
This footage shows the scene in LaSalle as white smoke rose from the factory on Wednesday, 11 January.
A shelter-in-place order was issued for local residents, who were also told to avoid a green substance spotted in the area.
According to local news reports, the blaze has been classified as a 4-alarm fire.
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