Accueil › 🇬🇧 Royaume-Uni › Actualités Keir Starmer warns of Russian aggression as UK and Poland agree new treaty 📅 27/05/2026 19:34 📰 bbc.co.uk 👁️ 2 lectures 🌍 Royaume-Uni 📂 Actualités The PM met his Polish counterpart Donald Tusk at RAF Northolt to formalise the agreement.