Multi-vehicle crash shuts down I-355 in west suburbs, video shows

CHICAGO (WLS) -- Chopper 7 was over a multi-vehicle crash on I-355 on Monday morning.

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Video shows at least four vehicles were involved in the crash just south of Lake Street.

The crash shut down all southbound lanes of I-355 at about 7 a.m.

At one point, one of the vehicles reportedly caught fire.

Police have not released any information regarding the crash.

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It was not known how many people were injured in the crash.

This is a developing story.