North Korea has called for joint exercises between the United States and South Korea has returned to nuclear war. The United States aims to "suffocate" North Korea with nuclear weapons, and these threats are increasing all the time, said Kim Jong-sik, deputy department head of the Central Committee of the Workers' Party of Korea. Earlier, the DPRK's Ministry of Defense accused the South Korean military of worsening the situation on the border and declared an increased risk of a military clash. The department noted that attempts by the United States and South Korea to ensure military superiority through joint exercises could lead to catastrophic results.