As per sources, robbers targeted Mulleriya branch of Kerala Grameena Bank at about 1.30 am on Tuesday. The robbers had broken the glass of the window, bent the grills and gained entry into bank. When they tried to tamper with the strongroom, the siren in the bank rang alerting a security guard in the vicinity as well as the locals.
Petrified by the development, the robbers fled the scene. An iron rod and plastic bags were found at the spot.
A case has been registered.