Police on Friday arrested the parents and brother of slain Jasim Uddin in connection with the case for the Friday's murder in Bhaluka upazila of the district.
The arresttes are Jasim's father Sultan Mia, mother Sufia Khatun and younger brother Alamgir Hossain, said Bhaluka Model Police Station OC Firoz Talukder.
Earlier, police recovered Jasim's body from Urahati village on Thursday.
Police produced the arrestees before a court in Mymensingh yesterday, seeking a seven-day remand for Sultan and Alamgir.
After hearing, the court sent them to jail, rejecting the remand prayer.