CNN —North Korea is expanding a weapons plant that manufactures missiles used by Russia against Ukraine, according to new research from a US-based think tank. Located in the country’s second-largest city, Hamhung, the factory has been visited several times by North Korean leader Kim Jong Un, with North Korean state media previously touting its mass-production of tactical missiles. Attacks on Ukraine with KN-23 missilesRussia has fired about 60 North Korean KN-23 missiles (Hwasong-11A) at Ukraine this year. And strikes using North Korean missiles have killed at least 28 people and injured 213 this year, the Ukrainian prosecutor general told CNN last week. Moscow and Pyongyang have both previously denied that North Korea has exported weapons to Russia, despite significant evidence of such transfers.

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Persons: James Martin, Kim Jong Un, Sam Lair, Lair, they’re, ”, CNN’s Helen Regan, Daria Tarasova, Nick Paton Walsh, Victoria Butenko Organizations: CNN, Ukraine, James, James Martin Center, Nonproliferation Studies, Middlebury Institute of International Studies, North, Center, Planet Labs, Planet Labs PBC, Nonproliferation, North Korean, Russia, Korean, Ukraine’s, Corruption Locations: North Korea, Russia, Hamhung, North Korean, Ukraine, Moscow, Pyongyang, Western, Korea, United States, Netherlands, United Kingdom, Kursk