President Volodymyr Zelensky and Ukrainian officials have scoffed at Russian President Vladimir Putin’s ceasefire announcement, with Zelensky saying it is "another attempt at manipulation", urging for a longer one, while the Kremlin said attempts to communicate on peace with Kyiv had been ignored.
Ukraine questioned why Moscow would not agree to its call for a ceasefire lasting at least 30 days and starting immediately.
"We value people's lives and not parades," Zelensky said.
Zelensky accused Putin of trying to string along the US.
"Russia has consistently rejected everything and continues to manipulate the world, trying to deceive the United States,” he said.
He also said in his nightly address late Monday that the ceasefire "must be immediate, full, and unconditional — for at least 30 days to ensure it is secure and guaranteed.”
Andrii Yermak, the head of Ukraine’s presidential office, said Russia is still trying to break through the around 1,000-kilometer (620-mile) front line while also launching long-range attacks on civilian areas.
“Putin can give the order for his forces to stop,” Yermak said. “But he does not do this in the hope of deceiving everyone.”
The Kremlin said Ukraine has not responded to many offers by Putin to start direct peace negotiations, and that it was unclear whether it would join a three-day ceasefire he has announced for next month, which
"It was President Putin who repeatedly said that Russia is ready, without any preconditions, to start the negotiations process," Kremlin spokesman Dmitry Peskov told reporters.
"We have not heard a response from the Kyiv regime so far."
Putin this week declared a three-day ceasefire in the war in Ukraine from May 8-10, when Russia plans lavish celebrations to mark the 80th anniversary of victory over Nazi Germany in World War Two.
Peskov said it was "very difficult to understand" whether Ukraine intended to join the ceasefire.
The move comes as US. President Donald Trump scaled up efforts to broker a peace deal in Ukraine.
Until now, Putin had refused to accept a complete unconditional ceasefire, linking it to a halt in Western arms supplies to Ukraine and Kyiv’s mobilization effort.