https://www.reuters.com/article/us-southkorea-japan-laborers/south-korea-calls-for-probe-as-forced-labor-feud-with-japan-deepens-idUSKCN1U70P2 >South Korea called on Friday for an international investigation of what it said were accusations by Japanese officials that it had passed some high-tech materials imported from Japan on to North Korea in violation of U.N. sanctions.