One college student was killed, and another suffered bullet wounds at a house at the Race Course Kather Pool area of Comilla on Wednesday morning.
The deceased was identified as Sagar Dutta, 19, a first year student of Comilla Govt College from Chandina upazila, and the injured is Sajib Saha from Brahmanbaria district.
Abu Salam Miah, officer-in-charge of Kotwali police station, said six students of the college used to live in a three-room first floor flat of the three-storey building.
Hearing sounds of gunshots in the morning, other residents of the building went to the flat and found Sagar's body on the floor of one room and Sajib lying injured in another room.
The four other students who used to live in the other two rooms went into hiding after the incident.
Upon receiving the information, police recovered Sagar's body and sent it to Comilla Medical College Hospital for autopsy.
Injured Sajib was also taken to the same hospital, where doctors referred him to Dhaka Medical College Hospital.
Police suspected that the incident took place over a love-related conflict.