Ibiganiro hagati y'ivyo bihugu bibiri vyarahagaze inyuma y'umubonano wabereye mu gihugu ca Vietnam ku kwezi kwa kabiri kw'uno mwaka wa 2019, wagiye kurangira ata masezerano bashitseko ku vyerekeye umugambi w'igihugu ca Koreya y'Uburaruko werekeye ibirwanisho vy'ubumara.
