North Korea’s Kim Yo-jong, sister of leader Kim Jong-un, on Wednesday denied Ukrainian President Volodymyr Zelensky’s claim that Pyongyang planned to send up to 50,000 more troops to Russia to fight for its ally. Kim Yo-jong, a top official in North Korea’s ruling party, said in a statement published by state media KCNA that Zelensky’s estimate was “groundless” and “a self-staged incident”. Zelensky made his claim in a post on social media this month, and he called on South Korea to provide...