Sirajganj, Jan. 11 -- Police have arrested another accused in the murder case of a college student in Sirajganj, raising the total number of arrests in the case to six, police said on Saturday.

The arrestee was identified as Waliullah Rifat alias Chhotra, 16, son of Shahidul Islam of Dhanbandi Mahalla under Sirajganj Municipality, said Taj Milur Rahman, inspector-in-charge of Police Outpost No. 1 of the town and the investigating officer of the case.

Superintendent of Police Saiful Islam Santu said the investigation and arrest operations are being carried out under special supervision.

He added that the remaining accused are expected to be arrested within the next two to four days.

The victim, Abdur Rahman Riyad, 18, a first-year stud...