A crude bomb exploded in front of the Criminal Investigation Department (CID) headquarters in Malibagh, Dhaka, at around 7:30pm on Sunday.
No casualties were reported in the incident, police said.
Officer-in-Charge of Paltan police station Ariful Alam Arif confirmed the incident.
Police said miscreants detonated the crude bomb in front of the CID headquarters. An investigation is underway to identify those responsible.