State police are investigating an armed robbery at a convenience store in Columbia early Sunday morning. Troopers from Troop K responded to the 7-Eleven gas station and convenience store located at 52 Route 66 in Columbia around 2:30 a.m. for a reported armed robbery, according to the Connecticut State Police.

The three suspects approached the victim on board a train at the 47th Street station, displayed a knife, maced the victim, and tried to take their belongings.

Chicago Police are seeking the public's help in identifying the suspects involved in an attempted armed robbery on the CTA Red Line.