Calgary police need help locating the three people that robbed a convenience store in the southwest.

Around 12:30 a.m., October 18th a man walked into the A Plus 1 Convenience store located in the 11600 block of Elbow Drive S.W.  He walked behind the counter and assaulted the clerk while another man stood near the door and demanded cash.

A third man holding a knife stood look out at the entrance.

Police want to talk to two men caught on surveillance who may have information on the robbery.