Semi catches fire on I-80 in New Lenox

May 22, 2012 (CHICAGO)

It was not clear late Tuesday morning what sparked the fire that broke out at approximately 6 a.m., but it took a long time for authorities to extinguish the flames.

Chopper7HD flew overhead while crews cleaned up the mess, which also took a while.

The incident caused traffic to back up for miles.

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