CHICAGO (CBS)– A speeding BMW slammed into a CTA bus overnight, sending several passengers to the hospital.

Police said the driver of a vehicle was flying down Damen Avenue right near Stroger Hospital.

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He hit the back of the bus, flew over the median and crashed into a light pole.

Thirteen people were on the bus at the time of the incident.

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Seven went to get checked out at Stroger.

Last we heard, the BMW driver was being given a sobriety test.

The incident is under investigation.

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This is a developing story.