The Kyiv Independent news desk

Key developments on May 15: * Russia plans to strike President's Office building and state residence, Zelensky says * Massive fire erupts at Russia's Ryazan oil refinery as Ukrainian drone blitz hits multiple targets, oblasts * 205 Ukrainian POWs return from Russian captivity in latest exchange * Russia plans to attack Ukraine or NATO from Belarus, Zelensky says * Russian military unit documents own war crime, milblogger publishes then deletes video * Zelensky pays respects to victims of

Almost all of the Ukrainian POWs who returned home had been held under Russian captivity for four years.

The number includes 1,150 casualties that Russian forces suffered over the past day.

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 Editor's note: This story has been updated to reflect the latest casualty count as provided by Ukraine'

The number includes 1,060 casualties that Russian forces suffered over the past day.

Key developments on May 13: * Ukraine targets 3 major Russian energy facilities overnight * Russia launches over 800 drones in daytime mass attack on Ukraine, at least 6 killed * Moscow bans publication of Ukrainian drone strike damage without official permission * Major fire reportedly breaks out at tourist complex in Moscow Ukraine struck the Tamanneftegaz oil terminal, the Yaroslavl oil refinery, and the Astrakhan gas processing plant in Russia overnight on May 13, the General Staff con

The number includes 1,130 casualties that Russian forces suffered over the past day.

Key developments on May 12: * Ukrainian drones strike Russian gas facility over 1,500 kilometers from border, Zelensky says * Ukraine strikes Russian targets in occupied Donetsk Oblast after renewed attacks, military says * New Russia sanctions feature individuals exposed in Kyiv Independent documentary * Russian attacks kill 4 civilians, injure 27 after Victory Day ceasefire ends Ukrainian drones attacked a gas industry facility in Russia's Orenburg Oblast on May 12, targeting a site more

"Russia itself chose to end the partial silence that had lasted for several days," President Volodymyr Zelensky wrote on X on May 12.

The number includes 1,020 casualties that Russian forces suffered over the past day.

Ukraine will hold back "long-range sanctions," strikes on Russian military targets if Moscow continues to avoid launching mass attacks, President Volodymyr Zelensky said.

The number includes 920 casualties that Russian forces suffered over the past day.

Key developments on May 9-10: * Putin says he believes war in Ukraine almost over * 'Victory will be ours,' Putin tells Victory Day parade without any tanks * Russia breaks 3-day ceasefire as strikes kill 1, injure 19 across Ukraine * Kremlin says it expects US envoys Witkoff, Kushner, 'quite soon' Russian President Vladimir Putin said on May 9 that he believes the full-scale war in Ukraine will be over soon. "I think the (war in Ukraine) is coming to an end," he told journalists at a Kre

Slovak Prime Minister Robert Fico said that "if the president of Ukraine is interested in a meeting, he should contact his Russian counterpart by phone."

Russia has lost around 1,341,110 troops in Ukraine since the beginning of its full-scale invasion, the General Staff of the Armed Forces of Ukraine reported on May 10.