Joint Chiefs of Staff: ”This is a desperate measure by the failed Kim Jong Un regime... We will not tolerate this” = South Korea

On the 9th, the Joint Chiefs of Staff stated, in response to North Korea's declaration that it would completely cut off the land route between the North and South and proceed with construction of fortifications, "Our military will never tolerate any actions by North Korea that seek to unilaterally change the status quo.
The Joint Chiefs of Staff stated in a statement titled "Our Military's Position on the Report from the North Korean General Staff" that "North Korea will bear responsibility for any issues that arise as a result of this."
Earlier on the same day, the North Korean General Staff said in a press release, "From the 9th, we will completely cut off all roads and railways in our area that connect to the Republic of Korea.
The Joint Chiefs of Staff responded to this announcement by saying, "The claims of the North Korean General Staff are not worthy of any consideration," and "The North Korean regime is
"North Korea has been ignoring the North's nuclear and missile development, and has been constantly threatening the peace and stability of the Korean Peninsula and the international community," he said.
"These blockades and blockades are merely a desperate measure born out of insecurity by the failed Kim Jong Eun regime and will only lead to even greater isolation in the future," he said.
The Joint Chiefs of Staff also stated, "If North Korea dares to launch a provocation, our military will be able to provide support and guidance, as well as the source of the provocation, based on a robust joint defense posture."
"We will impose overwhelming sanctions on even the most violent forces," he warned.