Police expand crackdown on foreign-linked drug trafficking

South Korean police are broadening their drug enforcement campaign to focus more heavily on cross-border supply networks and online distribution, as foreign nationals account for a growing share of suspected suppliers. The National Office of Investigation said Sunday that police arrested 848 foreign nationals for drug offenses between March and June, 114 more than in the same period last year. Nearly half of them — 400 — were suspected of manufacturing, smuggling or selling drugs. Suppliers acco