Two cocktails exploded on the main road near Malibagh Railgate in the capital on Friday afternoon, with no casualties reported.
The explosions occurred opposite the Shohagh Paribahan counter between 2:25pm and 2:30pm, said Amirul Islam, officer-in-charge of Shahjahanpur Police Station.
According to the police official, the cocktails were thrown from the top of the three-storey flyover and exploded on the road.
There is no CCTV camera at the specific point where the explosions took place, he said.
However, CCTV cameras are installed at a nearby location, and police are examining the footage to identify those responsible, the OC added.