At least four people sustained burn injuries as miscreants set fire to a passenger bus on Gazipur-Dhaka route on Wednesday night.
The injured were admitted to Gazipur sadar hospital.
Gazipur fire service station officer Shah Alam said the miscreants set fire to a passenger bus of Balaka Paribahan near Rich Research Institute in Gazipur.
The members of fire service rushed to the spot and extinguished it.
Such incidents have been taking place since BNP-led 20-party alliance enforced nonstop blockade on January 6.