CHICAGO (CBS) — Police are warning neighbors of two armed robbers who have been hitting major streets on the city’s West Side.

The robberies happened between July 5 and this past Wednesday, in the 2500 to 2800 blocks of West Madison Street and West Washington Boulevard.

Police say in each incident, one or two men came up to the victims on the street and forcefully took their cell phones and cash. In several incidents, the robbers were armed with a handgun, police said.

The robbers are described as two African-American men, 20 to 30 years old, standing 5 feet 9 to 5 feet 11 inches tall, and weighing 170 to 200 pounds.

Police advise residents to tell their neighbors about the robberies, and contact 911 to report any suspicious people or activity. For information on safety programs, police say you should call the CAPS Implementation Office, at (312) 746-8355.

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