Police put out an alert for Chicago Lawn on Saturday after two armed robberies earlier this week.
The most recent robbery occurred on Thursday around 10:30 p.m. on the 7900 block of South Kedzie Avenue, according to the alert. The other incident happened on Tuesday at 5 p.m. on the 3100 block of 80th Street, the alert stated.
Police describe the offender as a black man, between 17 and 23, 5-foot-9-inches to 6-foot-2, 150-160 pounds, with dreadlocks.
Police urge residents to always be aware of their surroundings, immediately report suspicious activity, and never to pursue a fleeing assailant but instead provide any information to police.
Anyone who may have information on these robberies is asked to call Area Central detectives, at (312) 747-8382.