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An off-duty Chicago police officer was stabbed while driving a car Friday morning on the South Side, causing her to hit a school bus, according to police.

The officer, 47, was stabbed in the head in a domestic attack and taken in serious condition to Northwestern Memorial Hospital, where she was stabilized, police said.

A child on the bus was taken to Jackson Park Hospital complaining of a headache.

The woman was driving in the 7600 block of South Stony Island Avenue shortly after 8 a.m. when she was attacked in what police described as a domestic incident.

A person of interest was in custody and charges were pending.

Check back for updates.