COOK COUNTY - Alsip police say an officer fatally shot a woman who appeared to be armed and had made several threatening 911 calls Monday night.

What we know:

Police said the incident began around 10 p.m. when a woman called 911 claiming she was being chased by an active shooter near 124th Street and Cicero Avenue.

While officers were responding, police said the same woman made several more calls saying she was armed, had killed a police officer, and would kill another.

Officers tracked the woman’s phone to Burr Oak Cemetery, where they found her on the west end of the property, according to police.

When officers approached, she reportedly ran, climbed a fence, and crossed Cicero Avenue. Police said officers gave multiple commands for her to stop, but as they neared, she turned and

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