Ukraine war latest: Zelensky orders military response after Russian mass attack on Kyiv kills at least 12 (opens in new tab)

Key developments on May 14: * Zelensky instructs military to prepare response to Russia's deadly Kyiv attack * Russia 'ripping off' Ukraine's drone forces success, Unmanned Systems Forces commander says * Ukraine's military now 'strongest, most powerful' in Europe, Rubio says * 'Teachers told children Ukraine does not exist' — Kyiv brings back 8 children from Russian-occupied territories President Volodymyr Zelensky said on May 14 that he had instructed Ukraine's military to prepare "possi