North Korea this week sent South Korea an “ultimatum” on its plans to demolish Southern-owned property at the Mount Kumgang tourist resort, the country’s Korean Central News Agency (KCNA) said Friday in an unattributed article.

The message, KCNA said, was sent on Monday after Pyongyang “repeatedly and clearly informed” South Korea of its “firm intentions” toward the site on October 29 and November 6.

The North on October 25 askedthe South Korean Ministry of Unification (MOU) and Hyundai Asan — which owns significant property at the site — to send plans and a schedule for removing their facilities