Group 1 - Russian President Putin signed a decree on September 18 to dismiss Dmitry Kozak from his position as Deputy Head of the Presidential Administration [2] - Dmitry Kozak submitted his resignation voluntarily, having previously served as Russia's special representative for Ukraine policy and Deputy Prime Minister [4] - The dismissal of Kozak may indicate a shift in Russia's approach to its Ukraine policy [2][4] Group 2 - Former US President Trump expressed disappointment in Putin regarding the complexity of the Russia-Ukraine issue, which he initially thought would be easier to resolve [6] - Trump mentioned that if oil prices drop, Putin would have no choice but to end the war [6] - UK Prime Minister Starmer and Trump discussed increasing defense support for Ukraine during their meeting [6] Group 3 - On September 18, international oil prices saw a slight decline, with WTI crude oil down 0.61% to $63.31 per barrel and Brent crude down 0.71% to $66.98 per barrel [7] - The fluctuation in oil prices may impact geopolitical dynamics and funding for military operations [7] Group 4 - Ukrainian President Zelensky announced that Ukraine will receive the first batch of weapons under a new funding plan with the US and European allies, including Patriot missiles and HIMARS [8] - Ukraine has secured over $2 billion in funding for US weapon procurement through NATO's "Ukraine Priority Needs List" (PURL) mechanism, with total commitments expected to reach $3.5 billion by October [8] - NATO allies plan to provide $10 billion worth of military equipment to Ukraine, indicating strong international support [8][9]