Group 1 - The core discussion between Ukraine's President Zelensky and UK Prime Minister Starmer focused on enhancing Ukraine's defense capabilities, expanding sanctions against Russia, and promoting peace negotiations [1] - There is an urgent emphasis on increasing the production of drones, particularly in the area of interception drones, with both leaders expressing the need to find specific solutions for funding requirements [1] - The conversation also included discussions on the sanctions imposed on Russia, indicating a continued commitment to economic pressure on the country [1]