(4th LD) N.K. to send high-level delegation to Olympics' closing ceremony
(ATTN: REWRITES lead; ADDS more info in paras 18-22)
SEOUL, Feb. 22 (Yonhap) -- North Korea said Thursday it will send a high-level delegation, including a top party official in charge of inter-Korean affairs, to the PyeongChang Winter Olympics' closi