Fifty-five Chinese sailors are believed to have lost their lives when their nuclear submarine became ensnared in a trap designed to target British sub-surface vessels in the Yellow Sea. According to a confidential report from the UK, the crew members perished due to a catastrophic failure of the submarine’s oxygen systems, leading to the poisoning of the entire crew. Among the casualties were the captain of the Chinese PLA Navy submarine ‘093-417’ and 21 other officers. A classified briefing obtained by the Mail reads: “Intelligence reports that on 21st of August, there was an on-board accident while carrying out a…