Any prolonging of the war in Ukraine allows Russia "to exhaust Ukraine as much as possible" warns the country's President Volodymyr Zelensky, as he meets with Balkan leaders in Croatia in the hope of securing further military aid. The Ukraine-Southeast Europe summit comes ahead of a week in which Zelensky is due to meet several European leaders, despite a key meeting planned for Saturday being postponed due to US President Joe Biden's need to focus on Hurricane Milton. IMAGES AND SOUNDBITES