The United Kingdom and Poland are set to sign a landmark defence treaty on Wednesday, as Prime Minister Keir Starmer meets his Polish counterpart Donald Tusk in London. The agreement aims to safeguard British borders, combat organised crime, and strengthen collective defences in the face of escalating Russian threats.
Key Provisions of the Treaty
The treaty is designed to enhance defence cooperation between the two nations, building on similar accords the UK has previously established with France and Germany. It will allow both forces to combine expertise and industrial capability, unlocking major defence benefits. This includes the co-production of next-generation medium-range air defence missiles and the increased use of uncrewed systems to reinforce NATO's Eastern Flank, with large-scale joint exercises planned.
Starmer's Statement
Prime Minister Starmer emphasised the importance of the partnership, stating: “Britain and Poland are already close allies and friends, but the challenges Europe now faces demand an even stronger partnership. This treaty is the biggest step forward in our defence and security relationship with Poland in a generation, allowing us to confront modern security threats that may be less visible but no less dangerous. Our collective work together will keep our countries safe for years to come.” He added that the agreement delivers on his commitment to work more closely with European partners to boost security and opportunity at home and stability across the continent.
Addressing Hybrid Attacks
The leaders are expected to discuss the increase in hybrid attacks, including Russian-ordered arson attacks in London and cargo fires across Europe. The treaty also aims to deepen collaboration with the European Union, reflecting a coordinated response to the threats posed by Russia.
This treaty marks a significant step forward in UK-Poland defence relations, underscoring the shared commitment to confronting modern security challenges and ensuring the safety of both nations.



