The UK and Poland have signed the Northolt Treaty – a new defense and migration pact designed to tighten military cooperation and boost border security – as both countries warn that Russia remains the most significant threat to Euro-Atlantic security. UK Prime Minister Sir Keir Starmer and Polish Prime Minister Donald Tusk formalized the pact at RAF Northolt air base in west London on Wednesday, May 25. JOIN US ON TELEGRAM Follow our coverage of the war on the @Kyivpost_official . Tusk said the