CHICAGO (WLS) -- The northbound lanes of the Dan Ryan Expressway were shut down early Sunday morning.

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The closure begins near 26th Street, video obtained by ABC7 shows.

Illinois State Police said there was chemical spill on the highway.

The video in the player above is from a previous report.

At 5:30 a.m. all northbound lanes were closed as crews worked to clean the spill.

By 8 a.m. ISP said all lanes reopened.

It is unknown if anybody was injured.

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