Ukraine launched hundreds of drones across Russia on Sunday, killing at least six people in one of Kyiv's largest aerial attacks of the war.
At least four people were killed and 91 people injured across Ukraine after Russia launched a major missile and drone strike on the country, Ukrainian officials said.
Russian President Vladimir Putin had been calling for the short pause in attacks to take place over his country's "Victory Day" holiday on May 9.
Russia continued to strike Ukrainian positions with drones after a Kremlin-declared Easter ceasefire took effect on Saturday, a Ukrainian military officer said.
Robert Mueller, the FBI director and special counsel who investigated ties between Russia and Donald Trump's presidential campaign, has died.
The U.S. believes that Russia has been providing Iran the locations of American troops in the region, including aircraft and ships, sources say.