Chicago police investigate 15 armed robberies in 4 days on North Side

CHICAGO (CBS) -- Police are looking for the people they believe are responsible for a string of 15 armed robberies across several North and Northwest Side neighborhoods.

The first four robberies happened in River North and Lincoln Park on Friday. Each time, four to eight armed men took the victims' cell phones and other possessions at gunpoint, and then drove off.

Police said, three days later, robbers also struck 11 more times in Portage Park, Irving Park, Belmont Cragin, and Lakeview.

The robberies happened at the following times and locations:

• 1300 block of North Halsted Street, Friday April 12, 2024 in the morning hours
• 1800 block of North Halsted Street , Friday April 12, 2024 in the morning hours
• 1400 block of North Kingsbury Street, Friday April 12, 2024 in the morning hours
• 1600 block of North Sheffield Avenue, Friday April 12, 2024 in the morning hours
• 5300 block of West Patterson Avenue, Monday April 15, 2024 in the morning hours
• 3200 block of North Keeler Avenue, Monday April 15, 2024 in the morning hours
• 2700 block of North Leclaire Avenue, Monday April 15, 2024 in the morning hours
• 5100 block of West Barry Avenue, Monday April 15, 2024 in morning hours
• 4900 block of West Fletcher Street, Monday April 15, 2024 in the morning hours
• 2900 block of North Lavergne Avenue, Monday April 15, 2024 in the morning hours
• 1400 block of West Cornelia Avenue, Monday April 15, 2024 in the morning hours
• 3200 block of North Southport Avenue, Monday April 15, 2024 in the morning hours
• 2100 block of North Cleveland Avenue, Monday April 15, 2024 in the morning hours
• 800 block of West Armitage Avenue, Monday April 15, 2024 in the morning hours
• 2100 block of North Halsted Street, Monday April 15, 2024 in the morning hours

Police had only a vague description of the robbers, who were wearing masks and dark clothing.

Anyone with information on the robberies is asked to call Area 3 detectives at 312-744-8263.