At least 15 people have been injured in a clash between two rival groups in Baharbag village of Magura Sadar upazila, police said on Friday. Twelve of the injured have been identified as former union parishad chairman Liakat Munshi, Salim Sardar, Tuhin, Badsha Mia, Anwar Hossain, Kajol, Imran, Mizan, Harun, Indris,