Madison police said a man robbed the Anchor Bank on Raymond Road Friday.
Police said the man got away with some cash around 2:30 p.m. No weapons were mentioned or shown.
Police released surveillance images of the suspected bank robber.
Police said Saturday that a person of interest has been taken into custody and the investigation is ongoing.
People with information about the robbery should call Madison Area Crime Stoppers at 608-266-6014.