Three people have been injured as miscreants hurled a crude bomb at a bus in Jatrabari of the capital.
The incident took place at 8:30am on Monday.
Dhaka Medical College Hospital police outpost In-Charge Inspector Mozzammel Hoque said the injured left the hospital after taking primary treatment.
Meanwhile, the BNP-led 20-party alliance is observing the second day of the 72-hour hartal, condemning the killing of opposition members in the name of crossfire, protesting the mass arrests, and calling for restoration of democracy and voting rights.