(LEAD) China's envoy pays respects at mausoleum of late N. Korean leaders
(ATTN: UPDATES with ministry press briefing in last 3 paras)
SEOUL, Nov. 20 (Yonhap) -- China's special envoy to North Korea has paid his respects at the mausoleum of former North Korean leaders in Pyongyang, North Korea's state-run news agency said M