Two separate crude bombs explosions have been reported from in front of the Institute of Engineers, Bangladesh (IEB) in Ramna area of Dhaka.
The incident took place on Wednesday morning at a time when a programme celebrating the 41th founding anniversary of Jatiyatabadi Chhatra Dal (JCD), the student wing of BNP, was being held inside the auditorium.
No casualties were reported in the explosions.
Confirming the matter, Dhaka Metropolitan Police's Ramna Division Deputy Commissioner Sajjadur Rahman said police is now investigating the incident.