US President Joe Biden and British Prime Minister Keir Starmer have postponed a decision on whether to permit Ukraine to use long-range missiles against Russian territory, amidst escalating tensions and threats from Moscow regarding a potential war with NATO. The leaders discussed this issue during a meeting at the White House, emphasizing a comprehensive strategy rather than specific military capabilities. They agreed to revisit the matter at the upcoming UN General Assembly, with Starmer seeking support for British Storm Shadow missiles to enhance Ukraine's strike capabilities. Biden dismissed Putin's warnings about NATO's involvement, stating he does not worry about the Russian president, while US officials remain cautious about depleting military stocks. Concerns were also raised regarding the supply of lethal weapons from Iran and North Korea to Russia, showcasing the broader geopolitical implications of the conflict. Meanwhile, Ukrainian President Zelenskiy reported that their recent operations in the Kursk region have successfully slowed Russian advances.