Photographs released by Nagasaki Customs included tablets containing a cannabis component found in a foreign cruise-ship passenger’s hand luggage.[1][2] The passenger had sailed from South Korea aboard an international cruise ship intending to bring the tablets into Japan.[3] Kagoshima Customs officers found the tablets during an inspection on 26 July 2026, preventing the import.[3] Customs identified the material as tablets containing delta-9-tetrahydrocannabinol weighing 8.93 grams in total.[3]

After a joint investigation with Kagoshima police, the Kagoshima branch referred one person to the Kagoshima District Public Prosecutors Office under the Customs Act on 12 August 2026.[3] On 5 November Nagasaki Customs held a waterfront anti-smuggling meeting and released photographs of drugs seized during the year.[1][2]

The 5 November meeting drew 32 people from six bodies including Nagasaki Customs, the prefectural police and the coast guard.[1] Participants shared information on recent smuggling methods and enforcement to stop drugs at ports and airports.[1]