The powerful sister of North Korean leader Kim Jong Un on Thursday dismissed South Korean claims the North is removing some of its loudspeakers along the inter-Korean border, mocking the government in Seoul for clinging to hopes of renewed diplomacy between the war-divided rivals.

Putin during the call on Tuesday praised the “bravery, heroism and self-sacrificing spirit” displayed by North Korean troops as they fought with Russian forces to repel a Ukrainian incursion into Russia’s Kursk border region,