Instead, Moscow and Kyiv have been drawn into an escalating duel of long-range aerial strikes as fighting along the roughly 1,250-kilometer (780-mile) front line in eastern and southern Ukraine has slowed, restricted by large numbers of drones and ground robots threatening troop movements.

Moscow's mayor said an oil refinery was damaged in the attack, which comes on the final day of voting in the country's first wartime parliamentary election.

Russia hit industrial sites in southeastern and central Ukraine overnight, killing three, while an attack cut power to thousands in the country's north, Ukrainian officials said on Tuesday.

Ukraine-Russia war latest: Zelensky arrives in New York after Trump says Putin has ‘lost control of oil’ - Zelensky said earlier he will travel to New York later this week to meet the US President

Ukraine unleashed a massive overnight assault on Moscow on September 20, pairing more than 1,000 drones with its new long-range Flamingo cruise missiles and igniting a major fire at one of

Ukraine’s forces have touted a world first by deploying ground robots behind Russian lines in its "Operation Vivaldi" counteroffensive. Ukraine’s Third Army Corps said on Sunday that attack ground robots were deployed from heavy bomber drones deep into the Russian rear,

Naval drone innovations have also extended to Ukraine using drone boats to deploy ground robots in amphibious assaults and using uncrewed surface vessels as motherships for launching FPV drones to attack Russian positions near the Black Sea.

French President Emmanuel Macron said he discussed air defense for Ukraine and a possible Kyiv-Moscow energy infrastructure truce with U.S. President Donald Trump.