CHICAGO (WLS) --Chicago police have issued an alert for CTA passengers following a string of robberies on the Blue Line.
Three of the incidents happened at the Pulaski stop at 3 a.m. on Sept. 19, 9:30 p.m. on Oct. 3 and 5:10 a.m. on Oct. 9. An incident happened on the 500-block of South California at 12:30 a.m. on Oct. 7.
Police said in three of the incidents, the victims were riding on the train when they were approached by three men who hit them then took property from their pockets. In the fourth incident, the victim was standing on the CTA platform.
Anyone with information is asked to contact Area North Detectives at (312) 744-8263.