Miscreants set off crude bombs in front of the district administration's office on Tuesday afternoon.
Advocate Rezaur Rahman, also one of the witnesses, said miscreants hurled crude bombs in front of an executive magistrate’s court room sometime around 12:15pm and fled.
He said an unidentified individual received managed to receive minor injuries in the explosion.
Dhaka Chief Judicial Magistrate Court's Officer-in-charge Prosecution Asaduzzaman told the Dhaka Tribune that police immediately rushed to the spot and are currently trying to identify the perpetrators.