In two separate incidents off the Kodiyakkarai coast, six fishermen from Tamil Nadu were attacked mid-sea and robbed of their belongings by unidentified persons, suspected to be Sri Lankan nationals. In the first incident, which occurred early on Saturday, three fishermen from Akkaraipettai — K. Rajkumar, 25; K. Rajendran, 49; and M. Nagalingam, 45 — sustained injuries when they were …