Group 1 - The core viewpoint of the article is the joint statement released by European leaders regarding the meeting between US President Trump and Russian President Putin, emphasizing the importance of Ukraine's security and the need for further discussions involving Ukraine's President Zelensky [1][2]. - European leaders, including Macron, Meloni, and von der Leyen, expressed support for Trump's efforts in addressing the Ukraine crisis and indicated readiness to collaborate on a trilateral summit involving Zelensky [2][3]. - The statement highlights the necessity for Ukraine to have robust security guarantees to defend its sovereignty and territorial integrity, welcoming Trump's commitment to provide such assurances [3][4]. Group 2 - The statement asserts that Russia has no right to obstruct Ukraine's aspirations to join the EU and NATO, with European leaders prepared to increase pressure on Russia through sanctions and economic measures [4]. - It emphasizes that the territorial issues of Ukraine should be determined by Ukraine itself, and international borders should not be altered by force [3][4].

Core Viewpoint - The European Union and several European leaders have expressed strong support for Ukraine's sovereignty and territorial integrity, emphasizing the need for security guarantees and the importance of Ukraine's participation in discussions regarding its territorial issues [4][5][7]. Group 1: Joint Statement Highlights - The joint statement from European leaders welcomed U.S. President Trump's efforts to end the Russia-Ukraine conflict and achieve a just and lasting peace [3]. - It was emphasized that Ukraine must have robust security guarantees to defend its sovereignty and territorial integrity, with the U.S. prepared to provide such support [4]. - The statement asserted that Russia cannot veto Ukraine's path to joining the EU and NATO [4]. Group 2: Ukraine's Position - Ukrainian President Zelensky stated that Ukraine's position is clear: there must be a genuine and lasting peace, and Russia must immediately cease hostilities [7]. - Zelensky highlighted the necessity for all critical issues concerning Ukraine, including territorial matters, to be discussed with Ukraine's involvement [7]. - He expressed gratitude for the EU's joint statement, indicating it strengthens Ukraine's position [8].