Event Brief
UPDATED May 27, 2026 at 10:04 PM ET
May 27, 2026 at 10:08 AM ET
UK and Poland sign defence and security treaty in London
By The BriefBrief
Keir Starmer and Donald Tusk signed a major UK-Poland defence and security treaty to boost borders, defence and EU cooperation.
WHO: Keir Starmer and Donald Tusk
WHAT: Signed a major defence and security treaty covering military assistance provisions, technology transfer, cybersecurity cooperation and identifying Russia as a threat
WHEN: May 27, 2026 at 9:12 AM ET
WHERE: London, United Kingdom
WHY: To bolster British borders, tackle organised crime and strengthen collective defence and cooperation with the European Union
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