A skyscraper in Russia’s capital Moscow has been attacked by a drone for the second time in two days, Mayor Sergei Sobyanin has said.
Several drones were shot down overnight on Monday, he said, but "one flew into the same tower at the Moskva City complex" that was targeted on Sunday.
Russia’s defence ministry blamed Ukraine for the latest attack.
Kyiv did not comment on responsibility but warned Russia that the conflict could soon move to its territory.
Two more Ukrainian drones were shot down by anti-aircraft systems elsewhere in the Moscow region, Russia’s defence ministry said, claiming to have thwarted a Ukrainian "terrorist attack".
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