This comes after Zelensky published an open letter to the Russian president on Thursday evening in which he called on Putin to agree to direct talks and end the war.
Ukraine launched its largest drone attack on Moscow in over a year, killing at least four people in Russia, local officials said.
A bill proposed by Russia's Duma would let the Kremlin send troops abroad to “protect” Russian citizens who are facing arrest, detention, or any other form of perceived persecution.
Tymur Tkachenko, the head of the capital's military administration, said debris from falling drones had struck the roof of an apartment building, and debris had also fallen in a street.
Ukrainian President Zelenskiy announces four signed drone agreements with 20 countries, marking a key milestone in Ukraine's global defense diplomacy.
The three-day pause, announced on Friday by President Donald Trump, is part of a broader US-led push for peace that has so far failed to end the more than four-year-old war.
The May 9 parade on Red Square marks Russia's most revered national holiday and celebrates the Soviet Union's victory over Nazi Germany, paying homage to the 27 million Soviet citizens who perished.
US President Donald Trump's announcement on Truth Social also said each country, locked in more than four years of conflict, would be exchanging 1,000 prisoners of war.
This comes as a Russian overnight missile and drone attack on Ukrainian gas production facilities killed five people, including two rescue workers.
The Chabad Ohr Avner school suffered a direct hit, according to Chabad, and a Mishpacha Ukraine orphanage was devastated by nearby explosions.
Trump spoke with Russian President Vladimir Putin on Wednesday and told reporters they had discussed the idea of "a little bit of a ceasefire".
