South Korean presidential spokesman Kim Eui-kyeom (Photo: Yonhap/VNA)

South Korean presidential spokesman Kim Eui-kyeom said South Korea hoped the US and North Korea would reach more specific and substantial progress at their meeting in Vietnam. 

Trump said in his annual State of the Union address that he will meet North Korean leader Kim Jong-un again on February 27 and 28 in Vietnam, but no precise venue has been named.