Moscow says nighttime attack targeted energy infrastructure and drone factories.
At least two people died in Kyiv. The bombing occurred days after Russia accused Ukraine of attempting to target Putin's presidential residence.
Declaration marks a shift after months of diplomatic isolation.
According to the local government, there are children among the victims.
The account comes from a Kremlin advisor. The attack was thwarted by Russian air defenses.
The dialogue between the leaders took place after Trump's meeting with Zelensky and included discussions about a possible peace agreement.
The action takes place amid negotiations between Moscow and Washington.
Ukrainian president says he has asked the US for protection for periods exceeding 15 years.
Vladimir Putin and Donald Trump spoke on Sunday, ahead of Trump's meeting in Miami with Ukrainian President Volodymyr Zelensky.
Russian Foreign Minister accuses European leaders of maintaining military and financial support for Kiev despite corruption allegations.
In a meeting with Zelensky in Florida, the US president stated that negotiations have progressed on security guarantees.
