According to police, a witness reported two black males entered the bank, then each confronted a bank teller and demanded money.
The witness told police one man was wearing a grey hoodie with a dark colored bandana covering his face.
The other man was wearing a blue shirt, a black/white hat, with a dark colored bandana covering his face.
Officers tell FOX24 a witness said the black male with the blue shirt was armed with what appeared to be a semi-automatic handgun.
According to police, the men ran from the bank and were last seen jumping over the brick wall behind it.
If you recognize these two men, or know anything about this crime, call the Fort Smith Police Department at (479) 709-5000.
These men should be considered armed and dangerous.