Up to 100 Ukraine troops could be dying in Donbas each day, says Zelenskiy

President gives insight into country's casualties, as Luhansk governor says Russia using scorched-earth' tactics

• Russia-Ukraine war: latest updates

Ukraine's president has given an insight into the level of losses being suffered by Ukrainian forces in the Donbas, saying between 50 to 100 Ukrainians could be dying every day.

While Ukraine and its allies have made much of Russian losses since the war began, the issue of Ukrainian casualties has been something of a black hole.