A lawyer was injured by a handmade bomb hurled by pickets at a court premises in Bogra town on Monday during the opposition's 60-hour nationwide hartal.
Additional Public Prosecutor Abdus Salek Sarkar was hit on his waist by one of the two bombs hurled at him on the Session Judges Court's staircase around noon.
The lawyer was taken to a hospital with critical injuries, Public Prosecutor Helalur Rahman said.
Further details are awaited.