Ukraine's president said Russia launched 277 attack drones in the assault, which also damaged the Saudi ambassador's residence.
Moscow says it downed 645 Ukrainian drones across 13 regions and other areas, as both sides traded blame over the latest strikes.
Ukraine has carried out drone attacks on several Russian regions, targeting an industrial plant in the Perm region with a large drone swarm.
Overnight drone strikes on September 24 damaged oil depots in Russia's Rostov region and Krasnodar Krai, according to Ukrinform.
Russia hit Ukraine's capital with daylight drone attacks, killing two and wounding 23, hours before President Zelenskyy was due to speak at the UN General Assembly.
Local authorities reportedly seized Tigray's airports following reports of recent drone strikes, fuelling fears of renewed conflict.
The blazes followed another wave of overnight drone attacks on the area, according to Ukrinform.
Partial results show the party ahead in a parliamentary vote President Putin framed as a test of public support for the war in Ukraine, according to CNBC.
The foreign ministers held a phone call following drone strikes from Iraq's Maysan province that targeted Saudi Arabia's East-West oil pipeline.
Three deaths were reported in Ukraine and four in Russia after fresh strikes by both sides, according to the BBC.