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.
Russian drones attacked a thermal power generation facility in the Kyiv region overnight on Sunday, Ukraine's Energy Ministry said.
"I can't go to Moscow" as missiles rain on Ukraine, he tells ABC News.
Russian President Vladimir Putin said Friday that any foreign troops deployed to Ukraine, particularly while its invasion was still ongoing, would be considered "legitimate targets" by Moscow's forces.
North Korean leader Kim Jong Un has arrived in Beijing to attend a military parade with his Chinese and Russian counterparts
Relations between China and Russia have deepened in recent years, particularly following the Russian invasion of Ukraine in early 2022.
