At least 11 Indian fishermen along with their trawlers have been detained by the Sri Lankan Navy, the military said today.

The fishermen from Rameswaram in Tamil Nadu were arrested yesterday while fishing near Sri Lanka's Neduntheevu island.

They were found illegally fishing in Sri Lankan waters northwest off the coast of Jaffna's Delft islet, the navy said.

Around 3,500 fishermen in 634 boats had put out to sea from Rameswaram last night.