(WAUKEGAN, Ill.) — An Illinois driver remains at large after fatally striking a pregnant woman while she was crossing the street, according to the Waukegan Police Department.

At approximately 9:34 p.m. on Sunday, officials responded to a report of a “vehicle crash with injuries, involving a pedestrian,” police said in a press release obtained by ABC News.

Once at the scene, police and fire officials found the pedestrian, identified as 36-year-old Michelle Heidbrick, with “critical injuries,” authorities said.

The driver of the vehicle that struck Heidbrick “fled the scene prior to the arrival” of police, according to officials.

Heidbrick was transported to a local hospital where she was “pronounced dead in the emergency room,” police noted.

Preliminary autopsy results indicate that H

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