Vladimir Putin stated that Russia would view an attack from a non-nuclear state, supported by a nuclear-armed country, as a 'joint attack', hinting at potential nuclear weapon use in the Ukraine conflict. His remarks come as Ukraine seeks long-range missile support from the US. Ukrainian President Zelensky is in the US for discussions with President Biden. Putin's comments have been criticized as nuclear blackmail, with calls for calm from China. The Kremlin is considering changes to its nuclear doctrine, emphasizing the importance of nuclear arms for national security. Teljes cikk (bbc.com europe)