U.S. President Joe Biden said Kyiv should strike back at North Korean troops “if they go into Ukraine” during a press conference on Oct. 29. A Pentagon spokesman added at a separate briefing that Moscow’s recourse to North Korean troops reflects a “dire situation” of its manpower. North Korea had sent troops to Russia to participate in its war against Ukraine, NATO Secretary General Mark Rutte confirmed on Oct. 28. U.S. intelligence estimated the number of troops to be around 10,000, part of whom is already deployed in Russia’s Kursk Oblast. “I am concerned about it, yes,” Biden answered to a …