"We sent a document (to the North) at around 11:20 a.m. [2:20 GMT] via the Panmunjom communications channel demanding an explanation for the North's cancellation to dispatch its cultural advance inspection team," Cho was quoted as saying by the Yonhap news agency.
Late on Friday, Pyongyang informed Seoul about the cancellation of its specialists' visit to South Korea, who were supposed to check the venues for the North Korean artists' planned performances.
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The statement was reached amid an agreement by Pyongyang and Seoul earlier this month on the participation of North Korean athletes in the upcoming Olympics in South Korea. The two parties then agreed during working-level talks that North Korea would send a performance squad of 140 musicians, singers and dancers to perform during the Pyeongchang Winter Olympics.
