Police believe 4 robberies were committed by a group of people, while 6 were committed by one man. View Full Caption Flickr/diversey

CHICAGO — Two strings of robberies on the Northwest and West sides of Chicago, with 10 total incidents, prompted news alerts from police Friday and Saturday.

On Friday night, police advised Far Northwest Side residents to be on alert after four early morning robberies within two hours Friday in Portage Park and Jefferson Park. The suspects in these cases are two to three young men and one young woman. The robbers displayed a handgun before robbing the victims.

Early Saturday, police released information about six more robberies that occurred Monday through Friday, for which they suspect a single man to be the robber. In these cases, the robber attempted to take the victim's purse or wallet and battered any victims who resisted.

The incidents occurred in Montclare, Dunning and Belmont-Cragin:

• 6400 block of W. Belmont on January 25 at 4:35 a.m.

• 3100 block of N. Neenah on January 26 at 6:35 p.m.

• 2900 block of N. Meade on January 27 at 5:00 p.m.

• 3000 block of N. Rutherford on January 28 at 6:50 p.m.

• 3900 block of N. Oak Park on January 29 at 7:20 a.m.

• 3600 block of N. Sayre on January 29 at 1:20 p.m.

Police ask anyone with information about these robberies to call (312) 744-8263.

Below: Map of armed robberies in two news alerts from Chicago Police. Green arrows denote incidents from the Friday news alert, and red arrows denote incidents from the Saturday news alert.

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