Unknown attackers set fire to the Grameen Bank branch at Dogachhi Bazar in Pabna Sadar Upazila around 12:45 am on Tuesday.
Locals said the attackers chanted the "Joy Bangla" slogan and poured petrol on the premises and set it alight before fleeing.
Asaduzzaman, Assistant General Manager of Grameen Bank's Pabna Zonal Office, confirmed the incident. He said the attackers first set fire to the branch signboard at about 12:50 am and broke the office's glass windows. Before leaving also they poured petrol on the front part of the office and lit it.
Night guard Abdul Wahab was inside and raised the alarm. The building owner, bank staff and local residents rushed in and brought the fire under control.
Asaduzzaman said no important bank documents were damaged. The bank is preparing to file a formal complaint with police.
Tarikul Islam the Officer-in-Charge of Pabna Sadar Police Station said a patrol team went to the scene soon after receiving the report. Another team returned in the morning to gather more information. He said legal action is under way.
