Poland-Ukraine Border Security: Poland is reinforcing border crossings with Ukraine after Russian drone strikes near NATO’s frontier, with the Defence Ministry saying infrastructure used by the Border Guard is being strengthened and new observation/security posts are being built around key crossings like Dorohusk, Medyka and Korczowa. Russian Threats to NATO: A Kremlin aide, Nikolai Patrushev, warned Warsaw would “cease to exist” within two or three days if Poland joins a conflict with Russia, escalating a war of rhetoric after Polish officials said NATO could defeat Moscow quickly. Drone Incursions in the Region: NATO jets shot down a drone over Lithuania, with officials saying it was likely carrying explosives and that the incident was the first such interception in Lithuanian airspace. Ukraine Railways Under Fire: Zelensky vowed to bolster security for Ukraine’s railways after repeated strikes, including a drone attack near the Polish border that hit a passenger train carrying senior foreign figures; Ukraine says hundreds of locomotives have been damaged or destroyed. Polish Defence Industry: WB Group unveiled “Gladius 2” (Warmate 30), a turbojet loitering munition with a 30kg warhead, designed to fit into Poland’s broader reconnaissance-strike system. Poland’s Military Cooperation: South Korea’s army chief met Polish commanders to expand high-level exchanges and defence industry cooperation, including maintenance and repair work. US Funding Signal: The US approved a $4 billion military financing loan guarantee for Poland, adding to the scale of American support.