Tamil Nadu chief minister Edappadi K Palaniswami. (file photo) TRICHY: Condoling the death of four fishermen from Ramanathapuram, who went fishing at Kottaipattinnam of Pudukottai district on Thursday, chief minister Edappadi K Palaniswami wrote to the Prime Minister Narendra Modi seeking for an investigation through the Indian high commission. The fishermen were allegedly attacked by the Sri Lankan Navy. He condemned the attack saying that it was an attempt by Sri Lankan Navy to destroy the livelihood of Tamil Nadu fishermen. He said he would approach the Centre to ensure such attacks done occur again. The deceased fishermen have been identified as A Mesiya, V Nagaraj, S Senthil Kumar and N Samson Darwin.