The strikes help Kyiv "negotiate from a position of strength," Oleksandr Merezhko, the head of Ukraine's parliamentary foreign affairs committee, told Newsweek.

Ukraine’s drone strike deep inside Russian territory left Kremlin officials bitter and alarmed over the sudden vulnerability of a nuclear-capable air fleet far from the battlefield, according to people close to senior officials in Moscow.

A Ukrainian security source told BI that Kyiv struck at least 40 Russian aircraft on Sunday, including Tu-95 and Tu-22M bombers.

Falling debris from a destroyed Ukrainian drone hit an apartment block in southwest Moscow, Mayor Sergei Sobyanin said Thursday.

Claims of Russian President Vladimir Putin's helicopter being "at the epicenter" of a Ukrainian drone attack in Kursk Oblast were reportedly fabricated by the Kremlin, the Moscow Times reported on May 30,

Ukraine has declared it destroyed 34 percent of Russia's strategic cruise missile carriers in a massive drone attack on Sunday. Russia confirmed drone strikes on airfields across five regions on Sunday.