The FBI is asking for help in finding a man suspected of robbing the M&T Bank branch at Parkside and Hertel avenues Monday.

Richard M. Frankel, acting special agent in Charge of the FBI in Buffalo, said the suspect entered the bank shortly after 10 a.m., passed a note demanding money to a bank teller and then threatened the teller with a weapon.

Frankel said the suspect left the bank with an undisclosed amount of money and indicated that witnesses believe he may have climbed into the trunk of a silver four-door sedan.

The suspect, according to the FBI, may have been assisted in the robbery by a heavyset black man seen walking toward the car, entering the driver’s side and driving away.

The FBI released a photo of the suspect and a description indicating he was a black man in his early 20s. He was wearing a navy blue hooded sweatshirt with a “Y” on the front, long dark pants and dark colored shoes. He also wore a yellow safety vest over the hooded sweatshirt.

Anyone with information about the suspect or the bank robbery is asked to call the FBI at 856-7800.