Polish Defense Minister Władysław Kosiniak-Kamysz lamented the crash, which happened around 2 a.m. on Wednesday near the Polish village of Osiny.

Admiral Sir Tony Radakin met senior US defence officials alongside other European military chiefs in Washington DC on Wednesday.

Foreign Minister Sergei Lavrov said any Western security guarantees for Ukraine in an eventual peace deal could only be enacted with Moscow’s cooperation—essentially rendering them useless against ...