GARDEN CITY, Kan. (AP) -- Garden City police and the KBI have issued an Amber Alert for a missing 2-year-old boy.

Officials say Isaiah Martinez was last seen around 12:30 Thursday morning in Garden City.

KMBC-TV reports that the boy's mother told police that she left him in the car while she went inside an apartment complex to pick up her 10-month-old child, who was staying with an aunt. The car and the boy were missing when she returned.

The boy is 2 feet tall and weighs 30 pounds, with black hair and brown eyes. He was last seen wearing a purple shirt with a motorcycle logo on it, khaki shorts and brown sandals.

Authorities are looking for a dark blue Dodge Durango with license plate 133 CLP that may be involved in Isaiah's disappearance.

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If you see that vehicle or have information about Isaiah contact the Garden City Police Department at 620-276-1300 or call 1-800-KS-Crime.