(LEAD) Lydia Ko shares lead into final round at LPGA tourney in S. Korea

(ATTN: ADDS comments, photo) INCHEON, Oct. 17 (Yonhap) -- After battling through an up-and-down round Saturday, world No. 2 Lydia Ko will share the lead into the final round of the only LPGA Tour event in South Korea. Ko carded a three-under 69 in