Police on Thursday arrested five college students in connection with the killing of Adnan Isfar, 15, a class-IX student of Chittagong Collegiate School and College in Chittagong's Jamal Khan area.
Among them, four 2nd year students of Hazera Taju Degree college - Sabbir, Fahim, Aabu Sayed and Arman --were arrested from Fatikchhari upazila of the district while Muntasir from the port city's Badurtola area.
Adnan Ispar, 15, son of Eng Adnan Akhtarul Azam of Shahnagar area in Fatikchhari upazila, was stabbed to death by a group of miscreants in the city's Jamal Khan area Wednesday afternoon.
A blood-stained knife which was used in the killing was also recovered, said officer-in-charge of Kotwali Police Station Md Jasim Uddin.
Police said Adnan was stabbed to death by some youths in the city following dispute over a cricket match.