(3rd LD) Main part of S. Korean art troupe arrives in N. Korea
(ATTN: UPDATES in paras 1-3 with arrival; CHANGES headline; EXPANDS dateline)
SEOUL/PYONGYANG, March 31 (Joint Press Corps-Yonhap) -- The majority of the South Korean art troupe and taekwondo athletes scheduled to give performances in Pyongyang ahead