Alton police are looking for a male subject accused of robbing a drive-thru store Monday night. 

Alton police say at about 9:30 p.m., officers responded to the Speedy Drive-Thru located at 3205 E. Main Avenue regarding an aggravated robbery call. 

Police say a male subject entered the drive-thru, displayed a handgun and demanded money from the cash register before leaving with an undisclosed amount of money. 

The male subject was wearing a black hoodie with a white Nike logo, black shorts, block socks and white shoes. 

Police believe he is five feet, eleven inches tall or shorter. He weighs about 160 pounds and has a medium build. 

Anyone with information about the incident is asked to call Alton police at 956-432-0700.