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New UK-Poland treaty to focus on defence against Russia, Tusk says

Published by Global Banking & Finance Review

Posted on May 27, 2026

2 min read

· Last updated: May 27, 2026

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New UK-Poland treaty to focus on defence against Russia, Tusk says

Strengthening UK-Poland Relations Amid Russian Threat

Diplomatic Priorities and Defence Cooperation

WARSAW, May 27 (Reuters) - Poland wants the closest possible diplomatic relations with the United Kingdom, focusing on defence against Russia, Polish Prime Minister Donald Tusk said on Wednesday before leaving for London.

Britain will sign a new defence and security treaty with Poland on Wednesday to strengthen defence cooperation in the face of increasing hostile threats across Europe, the government said, following similar deals with France and Germany.

Statements from Leaders

While Britain and Poland are already close allies, British Prime Minister Keir Starmer said in a statement on Tuesday that "the challenges Europe now faces demands an even stronger partnership".

European Defence Context

The continent has been under pressure from U.S. President Donald Trump's administration to take greater responsibility for its own defence. Both countries are also key allies of Ukraine in its war with Russia.

Focus on Russian Threats

Strategic Concerns

"Both sides emphasize that Russia is a strategic threat, also a long-term one, for Poland, for Great Britain, for NATO, and therefore our cooperation should be focused on securing Poland and other countries against the Russian threat," Tusk told reporters on Wednesday.

Cybersecurity and Espionage

Cybersecurity Measures in the Treaty

Tusk had earlier said that beyond defence, a significant part of the treaty focuses on cybersecurity. Poland says its role as a hub for military aid to Ukraine has made it a key target for Russian espionage, cyberattacks and disinformation.

Reporting Credits

(Reporting by Anna Wlodarczak-Semczuk and Pawel Florkiewicz; editing by Philippa Fletcher)

Key Takeaways

  • The treaty—signing expected on May 27—enhances cooperation on border security, organised crime, cyber and health security, joint military exercises, and next‑generation defence capabilities (nst.com.my)
  • UK PM Keir Starmer hailed it as “the biggest step forward in our defence and security relationship with Poland in a generation” (nst.com.my)
  • The treaty follows similar deals Poland signed with France in 2025 and is negotiating with Germany, reflecting Warsaw’s drive to deepen European security ties (internazionale.it)

References

Frequently Asked Questions

What is the main focus of the new UK-Poland treaty?
The new UK-Poland treaty focuses on defence and security cooperation against Russia.
Who announced the new treaty between UK and Poland?
Polish Prime Minister Donald Tusk announced the new treaty.
When will the UK-Poland defence treaty be signed?
The treaty will be signed on Wednesday.
Why are the UK and Poland strengthening their defence ties?
They are strengthening ties due to increasing hostile threats across Europe, particularly from Russia.
Which other countries has the UK signed similar defence agreements with?
The UK has also signed similar defence deals with France and Germany.

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