In 1945, a British submarine sank Nazi U-864 off Norway; 81 years later, authorities recovered 22 mercury containers from a wreck believed to have carried as much as 67 tons of mercury

Norwegian authorities are grappling with a serious mercury contamination issue stemming from the sunken U-864 submarine, which met its fate during World War II. Recent investigations discovered leaking mercury containers, prompting worries about environmental repercussions. The government is now exploring strategies to mitigate this contamination, with sealing the wreck being one of the options under consideration by the Ministry of Trade, Industry and Fisheries in Norway.