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WENTZVILLE, Mo. (KSDK) – A man is in custody and a woman is still on the loose after a pursuit on westbound Interstate 70.

The couple allegedly committed a theft in Wentzville, before fleeing the area on westbound I-70 at what police are calling a "high rate of speed." The car hit an embankment, and the man and woman leapt out of the vehicle, sprinting toward a grassy area with trees.

The man was taken into custody without incident, but the woman is still on the loose.

Police wouldn't specify who was driving the vehicle.

No additional information was immediately available.