Agents with the FBI in Flagstaff are asking for the public's help in identifying and finding a masked man who armed the Arizona Central Credit Union Wednesday.

According to information from the FBI, the robber pointed a semi-automatic handgun at the tellers and demanded money. The robber put the money in a bag and forced the bank employees to lie face down on the floor before fleeing.

The robber is described as a white man in his early 40s, about 5-feet, 5-inches, 160 to 170 pounds. He was last seen wearing a dark brown baseball cap, a dark brown bomber jacket, aviation sunglasses, blue jeans and white athletic shoes.

Residents who may have information on the robber's identity or whereabouts are asked to contact the FBI at (928) 205-3714, or the Flagstaff Police Department at (928) 679-4116.