Group 1 - The core viewpoint of the article highlights the ongoing negotiations between Russia and the United States in Riyadh, which did not result in a joint statement due to Ukraine's stance [1][2][3] - The discussions lasted over 12 hours and were described as "difficult but constructive," indicating a willingness to continue dialogue in the future [1][3] - Russia's Foreign Minister Lavrov expressed support for restoring the Black Sea grain export agreement, emphasizing the need for guarantees from the U.S. regarding Ukraine's compliance [5] Group 2 - The article discusses the ongoing "fighting while talking" situation in the Russia-Ukraine conflict, where both sides are engaged in military actions while also participating in negotiations [8][11] - It notes a shift in battlefield strategies, with Russia aiming to weaken Ukraine's negotiating position through military pressure, particularly in the Kursk region [9][11] - Ukraine's counter-offensive towards the Belgorod border is seen as an attempt to create new leverage in negotiations, indicating a strategic approach to the ongoing conflict [11]

Core Viewpoint - The ongoing negotiations between the US and Russia regarding the Ukraine conflict have faced significant challenges, with both sides unable to reach a joint statement due to Ukraine's stance, despite initial positive expectations from the US side [2][4][9]. Group 1: Negotiation Developments - The US and Russia held talks in Riyadh on March 24, which lasted over 12 hours, but failed to produce a joint statement due to disagreements primarily stemming from Ukraine's position [9]. - Russian Foreign Minister Lavrov indicated that discussions included the safety of navigation in the Black Sea and the need for clear guarantees regarding the resumption of grain exports [5][6]. - Lavrov emphasized that Russia would not tolerate any ambiguity in proposals related to the Black Sea [7]. Group 2: Ongoing Conflict - Despite the negotiations, the conflict between Russia and Ukraine continues, with both sides accusing each other of lacking sincerity in reaching a ceasefire [12][16]. - Ukraine's Defense Minister stated that the recent talks with the US were productive, focusing on key issues including energy [11]. - The situation remains tense, with reports of ongoing attacks and military actions from both sides, indicating that the conflict is far from resolution [15][16]. Group 3: Strategic Implications - Analysts suggest that as negotiations progress, the battlefield objectives of both Russia and Ukraine are shifting from purely military goals to strategies that serve their negotiation positions [16]. - The recent military actions by Russia in the Kursk region are seen as efforts to weaken Ukraine's bargaining power at the negotiation table [16].