AP Chief Minister N Chandrababu Naidu on Wednesday expressed condolences over DMK Chief M Karunanidhi's demise. Speaking at an event, Chandrababu lauded the former five-time Chief Minister of Tamil Nadu.Hailing the political services of DMK patriarch who was actively associated with the party for five decades, he said that Karunanidhi's self-determination, simplicity, and continuous fight made him achieve his objectives. The Chief Minister said that the development of Tamil Nadu can be majorly credited to Karunanidhi's leadership.Karunanidhi, 94, died at a private hospital yesterday following a prolonged illness.