Russia-Ukraine war live updates: Russian drone attack kills rescue workers in Kharkiv; Moscow says NATO dialog at ‘zero’ but does not seek conflict CNBCRussian drone attack kills at least four in Ukraine’s Kharkiv, officials say ReutersUpdate: 4 killed, including rescue workers, 12 injured in Russian attacks on Kharkiv Kyiv IndependentRussia launches drone attack on Kharkiv that kills 4 people and wounds 12 The Associated PressFour killed in ‘double tap’ Kharkiv drone attack targeting rescue workers The Independent