Chicago Police warn of group of robbers armed with metal pipes, brass knuckles

CHICAGO (CBS) -- Robbers are using metal pipes and brass knuckles to intimidate victims on Chicago's North and Northwest sides, police say. 

In a string of attacks in at least 10 different locations, two or three robbers pull up in a vehicle and demand passcodes for victims' phones. They then flee the scene in the same vehicle they arrive in, a gray Hyundai Elantra. 

Police say they wore black hooded sweatshirts and ski masks. 

The attacks happened at the following locations and times: 

• 400 block of West Wrightwood, Sunday, February 4, 2024 at 8:40 p.m.
• 5800 block of North Hermitage, Friday, April 5, 2024 at 8:28 a.m.
• 5300 block of North Damen, Friday, April 5, 2024 at 8:30 a.m.
• 5100 block of North Oakley, Friday, April 5, 2024 at 8:30 a.m.
• 2900 block of West Catalpa, Friday, April 5, 2024 at 8:50 a.m.
• 4300 block of West Lawrence, Friday, April 5, 2024 at 9:00 a.m.
• 4700 block of North Kasson, Friday, April 5, 2024 at 9:08 a.m.
• 4100 block of North Kedvale, Friday, April 5, 2024 at 9:16 a.m.
• 6800 block of North Ravenswood, Friday, April 5, 2024 at 9:50 a.m.
• 2660 block of West Jarvis, Friday, April 5, 2024 at 10:20 a.m.

Anyone with information is asked to contact the Area 3 Bureau of Detectives at (312) 744-8263 or Area 5 (312) 746-7394.

In:
• Chicago
• North Side
• Armed Robbery
• Crime
• Northwest Side