Ukrainian President Volodymyr Zelensky welcomed on Sunday what he described as Russia's first real signs of willingness to end the war. However, he warned that only a complete and reliable ceasefire starting May 12 can prove Moscow's intentions.
In a statement posted on social media, Zelensky called a ceasefire "the very first step in truly ending any war" and added, "There is no point in continuing the killing even for a single day."
The proposal, supported...