16/12/2025 (Agence Europe) – At the Eastern Flank Summit in Helsinki on Tuesday 16 December, eight EU Member States (Finland, Romania, Lithuania, Bulgaria, Estonia, Sweden, Latvia and Poland) stressed the importance of significantly enhancing security on Europe’s eastern external border. In their joint declaration, these States consider that the current situation “calls for an immediate prioritisation of the EU’s Eastern Flank, through a coordinated and multi-domain operational...