The Japanese government on Tuesday published further evidence of North Korean vessels engaged in ship-to-ship (STS) transfers on the high seas, a practice prohibited by UN Security Council (UNSC) sanctions.

The posts on multiple government websites include photographs of the STS transfer taking place on the morning of February 24 between a North Korean ship and a vessel flying a Maldives flag.

“At midnight on February 24, 2018, a P-3C aircraft of Japan Maritime Self-Defense Force (Fleet Air Wing 1 P-3C: Kanoya) found that Chon Ma San, North Korean-flagged tanker, was lying alongside Xin Yuan 18, Maldivian-flagged tanker, on the high sea