Miscreants set fire to Grameen Bank branch in Mohammadpur upazila of Magura district early Tuesday.
Station Master Billal Mridha of Mohammadpur Fire Service said the fire broke out around 3:30 am.
Later , firefighters managed to bring the blaze under control.
Sohana Sultana, Manager of the branch, said the miscreants poured petrol through a window before igniting the fire.
“Some essential papers and office furniture were destroyed,” she said, adding that and further measures would be taken as per directives from senior officials.
Officer-in-charge Abdur Rahman of Mohammadpur Police Station said a police team visited the spot and legal action would be taken.