https://www.reuters.com/article/us-southkorea-japan-labourers-approval/japan-warns-of-stricter-checks-on-exports-to-south-korea-grants-first-nod-since-july-idUSKCN1UY01Z

Japan warned it could expand strict checks on exports to South Korea, after earlier granting approval for the shipment of a high-tech material to its neighbour for the first time since imposing tighter curbs last month.