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

An aide to Russian leader Vladimir Putin, Vladimir Medinsky, claims he held a separate meeting with Ukrainian Defense Minister Rustem Umerov in Istanbul, TASS reports. "There was a meeting. It played an important role in preparing the general negotiation session,

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.

Ukraine on Sunday committed a massive, "Pearl Harbor"-like drone strike on Russia so devastating that experts are expecting a furious reaction from Russian President Vladimir Putin. "We can expect a great deal of sound and fury from Moscow,

During the negotiations in Istanbul, Russia handed over its memorandum on ending the war to Ukraine. The document consists of two parts, states the head of the Russian delegation, aide to the Russian President,

It also roughly tallies with attempts by Russian independent media, such as Meduza and Mediazona, to count the bodies. By this time last year, Meduza reckoned that between 106,000-140,000 Russian soldiers had died. Much of their analysis was based on inheritance records and obituaries on social media and in other outlets.

Two U.S. senators are warning that Russian President Vladimir Putin is stalling on peace while preparing a fresh military offensive against Ukraine.

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.

Trump previously said his personal relationship with Putin would usher in peace for Ukraine. Now, he says Putin's gone "absolutely CRAZY!"

US President Donald Trump is open to a possible meeting with Ukrainian President Volodymyr Zelenskyy and Russian President Vladimir Putin, White House Press Secretary Karoline Leavitt said, according to the BBC.