South Korean authorities believe that the laying of submarine gas pipeline, which will be imported Russian gas, is justified if North Korea would oppose its passage by land through its territory.The largest in the world for imports of liquefied gas Korea Gas Corp., Previously stated that by 2015, intends to import 7.5 million tons of natural gas from Russia through the northern pipeline system. The plan to build a submarine gas pipeline took place during the negotiations of the Korean side with the head of Gazprom Alexei Miller and experts from the Pacific Institute of Oceanology in Vladivostok last week. Russian authorities have hinted that North Korean officials with whom they met recently, declined to discuss the issue, said K2Kapital , with reference to Yonhap.