<div>Four fishermen from Tamilnadu's Rameswaram have been arrested by the Srilankan Navy today. The fishermen representatives have said, the four people have been detained within four hours of venturing into the sea. <br />''</div>''<div><br />''</div>''<div>They were held on charges of trespassing into the territorial waters of the island nation. <br />''</div>''<div><br />''</div>''<div>The detained fishermen are understood to have been taken to the Kankesanthurai camp of the Navy, for further hearing. <br />''</div>''<div><br />''</div>''<div>People of fishing hamlets in Rameswaram are under shock as the four people have been held shortly after entering the sea.  </div>