<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.hata hivyo korea kaskazini haijatoa ushahidi wa madai yake ya hivi karibuni, na kim dong-yub , mtaalamu wa kijeshi katika chuo kikuu cha kyungnam wa mitaala ya mashariki ya mbali mjini seoul, ameonesha shaka.  <response>: but as north korea offered no evidence for its latest claim, and kim dong-yub, a military expert at kyungnam universitys institute of far eastern studies in seoul, was sceptical. 