The meeting took place on Sunday at the headquarters of the ruling party's Central Committee and was also attended by Russian Ambassador to North Korea Alexandr Matsegora, reports Yonhap, quoting the Korean Central News Agency (KCNA).
The North's official Korean Central News Agency (KCNA) issued the criticism in an article attributed to an international security analyst, following Japan's formal inauguration of an independent mission to NATO last week to bolster cooperation.
Mandatory mass mobilisation drives, featuring extra-long work hours and additional duties, are commonplace in North Korea in the lead-up to major events.
