Fishing vessel Oryong 501 operated by Sajo Industries, which sank in the Bering Sea on Monday, is seen

Fishing vessel Oryong 501 operated by Sajo Industries, which sank in the Bering Sea on Monday, is seen in this undated picture provided by Sajo Industries and released by Yonhap on December 1, 2014. One person was killed and the fate of more than 50 others was unknown after the South Korean fishing vessel sank in the Bering Sea off the coast of Russia’s far eastern Chukotka region, officials said on Monday. REUTERS/Sajo Industries/Yonhap (SOUTH KOREA – Tags: MARITIME DISASTER TRANSPORT TPX IMAGES OF THE DAY) ATTENTION EDITORS – NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. SOUTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN SOUTH KOREA