WESTMINSTER, Colo. (AP) - Authorities investigating the disappearance of a 10-year-old Colorado girl are looking into whether it could be linked to the abduction of a girl in Wyoming.

Police in the Denver suburb of Westminster say they're aware of the case in Cody, Wyo., and were working with investigators there on Wednesday.

A man lured an 11-year-old Cody girl into a sport utility vehicle on Monday saying he needed help finding his dog. She was released about four hours later and found by hunters.

Jessica Ridgeway of Westminster has been missing since Friday, when she left home to meet friends at a park for the walk to school. The fifth-grader never turned up at school.

Two days later, her backpack was found on a sidewalk in a neighborhood about six miles away.

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