Ukraine’s state railway operator said top Western figures – including former UK prime minister Boris Johnson and ex-CIA director David Petraeus – were at a west Ukrainian railway station just before Russia struck a Warsaw-bound train there. “Shortly before the locomotive was hit at the Ukrainian-Polish border, a diplomatic train was at Yagodyn station,” Ukraine’s rail operator Ukrzaliznytsia said in a statement. “There were, among others, security advisers from several EU member states and...