New Delhi, Dec 13 (ANI): Political leaders on Saturday condemned the death of an Indian fisherman in Pakistan jail. The 30 year old Indian fisherman, Devo Mand Kansaro has been found dead under mysterious circumstances in a jail in Karachi. Kansaro was arrested in March by Pakistan's Maritime Security Agency for fishing in the Arabian sea. Jail authorities claimed that Kansaro had died from natural causes after complaining chest pain. Political leaders demanded stern action against Pakistan by the Indian government. However, they ruled out any relation of the incident with the Parliamentary dialogue of the MPs of both nations gone wrong on Friday.