UNB, Dhaka :Public Administration Minister Syed Ashraful Islam on Tuesday called upon freedom fighters to remain alert to make sure that the incident of 1975 is not repeated.”We’ve achieved independence through the Liberation War. We failed to save the leader under whose leadership we hadachieved independence. We also lost state power. We’re unfortunate that after a few years of independence the Father of Nation was killed along with his family members,” he said.Syed Ashraf, also Awami League general secretary, said this while addressing a discussion organised by Bangladesh Muktijoddha Sangsad Central Command Council at the Institute of Diploma Engineers in the city.The ruling party general secretary said, “We’re unfortunate that after a few years of independence the Father of the Nation was killed along with his family members. It is exceptional incident in the history.