Japan’s Coast Guard found three boats containing 10 dead sailors who are presumed to be North Korean in Japanese coastal waters, according to Kyodo News on Sunday.

The three wooden boats appear to have drifted to Japan’s Ishikawa and Wajima coastlines, in the country’s northwest and were found by Japanese authorities over the weekend.

The vessels had Korean lettering on the side, indicating they belonged to the Korean People’s Army (KPA) or the State Security Department. Fishing nets were also found in one of the boats.

“I don’t think it’s an infiltration boat as it wouldn’t be wise to mark