Chopper 7 over truck in pond in Deerfield

DEERFIELD, Ill. (WLS) -- Chopper 7 was over a water rescue after a truck was spotted in a north suburban pond on Wednesday.

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At about 7 a.m. video shows the truck inside a retention pond near NB I-294 Tri-State Tollway at Lake-Cook Road in Deerfield.

It was not immediately clear if anybody was injured or how many people were inside the vehicle.

As first responders arrived to the scene, there was a traffic backup on the northbound lanes.

This is a developing story; check back for updates.