Opposition alliance?

Rep. Moon Hee-sang, left, chairman of the main opposition Democratic United Party (DUP), shakes hands with Rep. Ahn Cheol-soo, a former independent presidential candidate, at the National Assembly in Seoul, Wednesday. Ahn recently hinted at creating a new political party after being elected the lawmaker of Seoul’s Nowon-C district in the April 24 by-elections, raising concerns of seriously threatening the DUP. / Yonhap