With 41 military aircraft impacted, the Ukrainian drone attack was described by some commentators as Russia's "Pearl Harbor." The attack on Pearl Harbor in December 1941 was a surprise air raid by Japan on the U.S. during World War II. Kyiv's assault follows ground advances by Moscow troops in recent days in Ukraine's Sumy border region.

Ukrainian forces stunned the Russian military Sunday after wiping out and damaging dozens of nuclear bombers and other aircraft with ambitious and complicated attacks that struck President Vladimir Putin’s air bases deep inside the country,

Russian forces launched a massive drone attack overnight that injured several people, including two teenagers, in Ukraine's northeastern Kharkiv region, local officials said on Friday.