CHICAGO (CBS) — A school crossing guard was recovering from serious injuries, after a driver struck her earlier this week in the West Pullman neighborhood, and then took off.

Children were crossing the street around 4 p.m. Monday, when an SUV traveling “at a high rate of speed” struck the 27-year-old crossing guard at the intersection of 127th Street and Union Avenue, according to police.

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No students were hit, but the crossing guard was seriously injured.

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The driver fled the scene without stopping.

Police were searching for a black or dark-colored SUV that left the scene headed west on 127th Street, and then north on Emerald Avenue.

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Anyone with information on the incident should call Area South detectives at 312-745-4521.