By CBS 2 Chicago Staff

CHICAGO (CBS) — Chicago Police are warning residents of a kidnapping and possible sexual assault that happened Saturday in the city’s Austin neighborhood.

According to police, a girl was followed by a black four-door sedan with tinted windows from Austin High School in the area of Lake Street and Pine Avenue around 8:30 p.m.

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Under the viaduct three unknown males in black ski masks got out and forced her into the vehicle, police said.

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She has no memory of what occurred until she woke up in the back of the vehicle on Sunday around 10:45 a.m. in the 1700 block of North Harlem.

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Anyone with information about the incident is asked to call the Area Four detectives at (312)746-8251.

CBS 2 Chicago Staff