A 25-year-old man was hacked to death by some miscreants in Savar early on Sunday.
The deceased was identified as Enamul, a resident of Gaibandha.
Police have detained Tushar, 26, in this connection.
Inspector Mominul Islam of Savar model police station said a previous discord among friends might have led to the incident.
According to locals, Enamul was seriously injured in the attack in front of his home in the Fulbaria area. He was rushed to Enam Medical College and Hospital, where doctors pronounced him dead.
The body was later sent to Shaheed Suhrawardy Medical College Hospital for autopsy.