Armed Carjackers Hit Trio Of North Side Neighborhoods

(CBS) -- Police are cautioning residents of the Wicker Park, Humboldt Park and Avondale neighborhoods after three people were carjacked at gunpoint in recent days.

According to an alert from Area North detectives, the carjackings occurred:

-in the 1400 block of North Wicker Park about 1:53 a.m. on July 22;

-in the 1500 block of North Campbell about 4:30 a.m. on July 23;

-in the 3000 block of North Troy about 1:23 a.m. on July 27.

In each case, one or two males walked up and tried to talk to a person who was in their vehicle "before displaying a handgun and forcing them out," police said. In one instance, the victim was standing outside his car as it warmed up.

Anyone with information is asked to call police at (312) 744-8263.