A woman in the capital region was killed during the attack, officials said. Russian air defenses shot down 20 drones around Moscow and almost 150 nationwide, according to the Defense Ministry.

Russian officials threatened the West on Saturday with an uncontrolled escalation of war and Ukraine with the destruction of Kyiv as Western leaders discussed whether to allow Ukraine to use their weapons for strikes deep into Russian territory.

Russia's FSB security service said on Friday it had revoked the accreditation of six British diplomats in Moscow after accusing them of spying and sabotage work, signalling the Kremlin's anger at what it sees as London's vital role in helping Ukraine.

Russia on Friday accused six British diplomats of spying and said it decided to expel them. The U.K. said the “completely baseless” move came weeks ago and was linked to its action in May to revoke the credentials of an attaché at the Russian Embassy and limit Moscow’s diplomatic activities in London.