South Korea on Sunday warned the North it was reaching the limits of its patience over stalled talks to revive a joint industrial complex once seen as a rare symbol of cooperation between the rivals.
Six rounds of cross-border meetings aimed at restarting the venture, a key source of hard currency for the North Korea's communist regime, produced little progress as each side squabbled over who would take responsibility for the shutdown.
South Korea proposed final talks on the Kaesong industrial zone, which has remained shuttered since early April following military tensions, on July 28.
The most recent meeting on July 25 ended in acrimony with no date set for the next talks and Pyongyang officials accusing Seoul counterparts of being arrogant.
Seoul's unification ministry, which handles cross-border affairs, issued Sunday another call for the North to show “responsible words and actions, instead of silence.