The investigation continues into a weekend bank robbery in Zanesville. It happened at the National City Bank branch on Maple avenue Saturday morning around 11 O'clock. Detectives say three males entered the bank and demanded cash from a teller. After getting an undisclosed amount of cash, the three suspects fled on foot. The three suspects remain on the loose. One suspect is described as a white male, around six feet tall, average build, with dark hair. He was wearing sunglasses, a khaki-colored shirt, cut-off blue jean shorts and work boots. The other suspects are described as white males between five-feet, nine inches and five-feet ten inches and both wearing dark clothing. No other details were released by detectives. If you have any information about the incident call Zanesville police.