New Delhi, May 9 -- For the first time in months of grinding warfare, Russia and Ukraine appeared on Friday to edge toward a limited pause in hostilities after President Donald Trump announced that both sides had agreed to a temporary three-day ceasefire timed around Russia's Victory Day commemorations.

Trump said the ceasefire would run from May 9 through May 11 and include a halt to what he called "all kinetic activity," alongside a large-scale exchange of 1,000 prisoners from each side. The announcement, first detailed in Trump announces three-day ceasefire between Ukraine and Russia, immediately injected new momentum into diplomatic efforts that had largely stalled after months of failed negotiations and continued battlefield escalat...