Russia said Sunday that trains carrying more bodies of Ukrainian soldiers were due to depart towards the Ukrainian border, escalating a spat with Kyiv over a prisoner of war swap.

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions of people worldwide every day. Reuters provides business, financial, national and international news to professionals via desktop terminals, the world's media organizations, industry events and directly to consumers.

Russia said its ground forces crossed into Ukraine’s central Dnipropetrovsk region for the first time, a symbolic milestone in their grinding offensive as prospects for a US-brokered ceasefire remain elusive.