The Sri Lankan Navy detained seven fishermen from Rameswaram and Thangachimadam while they were fishing near Katchatheevu on Sunday. Fishermen's associations condemned the arrests and urged the Centre and Tamil Nadu government to secure their immediate release. Rameswaram (Tamil Nadu): Seven fishermen from Tamil Nadu's Rameswaram and Thangachimadam were taken into custody by the Sri Lankan Navy early on Sunday, adding to a series of detentions that have prompted repeated demands for.