By CBS 2 Chicago Staff

CHICAGO (CBS)– Firefighters responded to an extra-alarm fire at a vehicle lot in Gary, Indiana Monday morning.

The massive fire started burning on 4th Avenue, southeast of the Gary Airport just before 5 a.m.

There are vehicles on fire along with trailers that continue to burn. Chopper 2 was over the scene where thick smoke can be seen for miles.

The cause of the fire is unknown at this time.

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