Latest information reveals that the blasts in Islamic University were of suicide nature, as the police and people searching the blast sites have found the heads of the suicide attackers. People at university told that first suicide attacker was trying to enter in women cafeteria but stopped by university officials as that is restricted area for any of males, on stopping the attacker blowed himself killing and injuring many.
Second blast was in a class room and on the site of second blast as well police found the head of the suicide attacker. However its not clear that the suicide attacker was already present in class or came in on time of the blast. As no one at university seen him going in by force.