Russia Ukraine war is witnessing a watershed moment as Kyiv has launched a surprising counter offensive attacks deep into the Russian territory prompting the frequently asked question -- who is winning the battle - Vladimir Putin or Volodymyr Zelenskyy.

Though the knock-on effects are unclear, some military commentators have called the strike Russia's "Pearl Harbor." Hopes for direct peace talks, which resume Monday, remain low.

After meeting with Ukrainian President Volodymyr Zelenskyy and French President Emmanuel Macron, two senior U.S. senators warned that Russian President Vladimir Putin is planning a major new offensive in Ukraine.

Vladimir Putin has remained silent for over a day following a series of incidents in Russia. First, in the Bryansk and Kursk regions, railway bridges were blown up. Then, Russian strategic air force bases were subjected to an unprecedented strike by the Armed Forces of Ukraine.

In an operation said to be 18 months in the planning, Ukraine conducted a devastating series of drone strikes against Russia air bases on Sunday.

Dozens of Russian military aircraft have been destroyed in an unprecedented drone attack deep inside Russia, a Ukrainian official has said, the day before critical peace talks between Moscow and Kyiv resume in Istanbul.

Ukrainian forces have wiped out dozens of Russian military aircraft, including nuclear bombers, in a massive drone attack on President Vladimir Putin’s air bases deep inside the country, Kyiv sources are claiming.

Retired U.S. military leaders reacted on Sunday after Ukraine carried out a large-scale drone attack on Russian military aircraft deep inside the country, with one quipping that Russian President Vladimir Putin is "having a very bad day.