At least eight leaders and activists of Bangladesh Chhatra League (BCL) Chattogram College unit were injured in a factional clash between two groups over a trivial matter on the campus on Tuesday noon.   The injured are Safayet Hossain Raju of Mathematics fourth year, Hamim Rafsan of HSC second year, Jahedul Ovi of Islamic History second year, Wahidul Rahman Sujon of honours third year, Alif Javed of History first year, Zia Uddin of Social Science masters, Nayeem of History masters and Mohammad Monir of History fourth year.  Read: Dhaka College: 12 accused in case filed over BCL infighting Witnesses and sources said the fellows of the college unit President Mahmudul Karim and General Secretary Shuvas Mollick locked into a clash over an altercation between seniors and juniors around noon.   At one stage, brick chips were pelted from other sides leaving at least eight people injured and several windows of the History department vandalized during the incident. The BCL men sustained injuries to their heads and legs.   President Mahmudul Karim said outsiders led by Shuvas carried out attacks on them without any provocation and several students got injured in the incident.   On the other hand, GS Shuvash claimed some of his younger brothers were injured in the attack by the terrorists and he knew how to control the goons.   Ala Uddin, sub-inspector of Chattogram Medical College Hospital Police outpost, said five BCL men left the hospital after receiving first aid.