KITAKYUSHU, Fukuoka Pref. (Kyodo) The Japan Coast Guard said Sunday that it is searching for five crew members of a South Korean fishing boat that sank in high seas off Tsushima, Nagasaki Prefecture, based on a report it received.

The rest of the 25-strong crew were rescued by another boat, the coast guard said.

The coast guard is searching for three South Koreans and two Indonesians using an airplane and a patrol boat dispatched based on a report from South Korea's coast guard, it said.