Ukraine war latest: Zelensky sends Trump urgent letter warning of Ukraine's critical missile defense shortages (opens in new tab)

Key developments on May 27: * Zelensky sends Trump urgent letter warning of Ukraine's critical missile defense shortages * Ukraine fails to pass IMF-backed reforms, despite millions of dollars on the line * Ukraine to intensify middle strike drone campaign as Fedorov unveils 'logistical lockdown' against Russia * Pope Leo condemns Russian strikes on Ukraine, calls for end to 'sharp intensification' of war President Volodymyr Zelensky sent a letter to U.S. President Donald Trump warning abo