SEOUL—South Korean authorities revealed this week they had been detaining a domestic cargo ship for months due to suspicion that the vessel had helped supply illicit oil to North Korea, in a breach that casts doubts over Seoul’s level of enthusiasm for enforcing U.S.-led sanctions. The ship allegedly helped ferry oil to the North via two ship-to-ship transfers conducted over international waters, prompting South Korean officials to raise suspicions last September, according to lawmakers briefed by the country’s coast guard...

Source: Wall Street Journal April 03, 2019 14:48 UTC