A college student was found dead with his throat slit and another with a bullet injury at a students' mess in Cumilla yesterday morning.
The dead was identified as Sagor Dutta, 19, of Chirora village of Chandina upazila, and the injured as Shajib Saha, 23, of Ujanchar of Bancharampur upazila of Brahmanbaria.
Sagor was a student of Comilla Government College and Sajib, a student of Victoria College.
Police arrested the owner of the building, Chinmoy Bhowmick, who is an employee at a private clinic at Shasongasa in Cumilla city.
Shefali Bhowmick, Chinmoy's wife, said they lived on the second floor of their three-storey building while the other two floors are rented out.
Six tenants have been occupying the ground floor of the house for the last one year. Some of these six were working people, while others were students.
Locals said that around 6:00am they heard gun shots from inside the house and rushed out to see two or three youths fleeing.
They recovered the two boys who had their mouths taped, from the house. One, whose throat was slit, lay in a pool of blood and another had a bullet wound on his chest but seemed to be alive.
Additional Police Super Tanvir Salehin Emon said Shajib has been sent to Dhaka Medical College Hospital.
Police are trying to arrest the other four residents of the house for further investigation, he added.