Five students were injured in a clash between two rival groups at the Aligarh Muslim University here,police said today. Violence broke out last night when about a dozen youths,armed with sticks and country-made firearms,allegedly broke into a hostel building on the University campus and went on a rampage following a minor altercation with a rival student group. For nearly half-an-hour,pandemonium prevailed in the hostel compound as several shots were also fired,police said,adding that five students were injured in the melee. According to police,Rs 3 lakh,which was part of a students' welfare fund meant for a function,was also looted. A complaint has been lodged at Civil Lines police station here against 17 youths in connection with the violence. "The violence appears to be a planned attempt by vested interests and miscreants to disrupt the ongoing examination and admission tests of the University. Stern action will be taken against anyone found guilty," a spokesperson of AMU said.