High winds caused by stormy weather delay search for missing North Korean sailors . But high winds and strong currents have been working against the rescue effort . 58 sailors missing after explosion sank a naval ship next week in the Yellow Sea . 46 seamen were rescued soon after blast ; no bodies or survivors found since then . Military officials say an explosion tore a hole in the rear of the ship ; cause of the blast not known .
High winds caused by stormy weather delay search for missing North Korean sailors . 58 sailors missing after explosion sank a naval ship next week in the Yellow Sea . 46 seamen were rescued soon after blast ; no bodies or survivors found since then . Military officials say an explosion tore a hole in the rear of the ship ; cause of the blast not known .