Russian officials say they are still standing by with the refrigerated remains of 1,212 fallen Ukrainian soldiers by the shared border and are demanding that the dead be collected. The Russian side is awaiting an announcement via Ukrainian channels as to whether the "humanitarian action" will go ahead or be postponed until next week,

The barrage, one of the fiercest of the three-year war, struck six Ukrainian territories, killing at least six people and injuring about 80, Ukrainian officials said.