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 President Volodymyr Zelenskyy on Sunday praised Ukraine's Security Service for "brilliant operation" aimed at "military targets" on Russian territory.

Ukrainian drones destroyed 40 Russian aircraft in a strategic attack on airfields. The operation was a year in the making, led by President Volodymyr Zelenskyy.

Russian shelling and air attacks killed five people outside the southeastern Ukraine city of Zaporizhzhia, while a drone attack on the northeast region of Sumy injured at least six early on Monday, including two children,

Ukraine has carried out large-scale drone strikes against four airbases deep inside Russia, destroying multiple combat planes, according to a source in the Ukrainian Security Service (SBU).

Asian shares have fallen and oil prices jumped as trade tensions and the Russian-Ukraine conflict ratcheted up geopolitical uncertainty.

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In Melitopol, Mavka talks of being part of a secret female resistance movement called Zla Mavka (Angry Mavka) "to let people know that Ukrainians don't agree with the occupation, we didn't call for it, and we will never tolerate it".