Some 10 to 15 crude bombs reportedly buried underground at a house exploded at Noyrashia village in Chapainawabganj Sadar upazila on Sunday night.
Officer-in-Charge of Chapainawabganj Sadar Police Station Ekramul Hossain said the crude bombs exploded simultaneously at the house of one Ehu Hossain around 8pm, causing part of a wall to collapse.
However, no casualties were reported.
The loud sound triggered panic among people in the surrounding area.
Upon receiving the information, members of law enforcement agencies went to the spot.
The OC said the cocktails were buried underground in the firewood storage shed but no one was injured in the explosions.
Police are investigating the matter, the OC said.
He added that members of the household have gone into hiding following the incident and police have launched a drive to arrest the house owner and others involved.