What’s next for Ukraine after Russia’s Donbas offensive?

Analysis: Indiscriminate tactics of Russia's grinding progress in east could characterise next phase of war

• Russia-Ukraine war: latest updates

The recent Russian advances in the Donbas lead to an inevitable question: whether the indiscriminate tactics the Kremlin deployed there will be a template for future offensives.

With reports of large numbers of troops, artillery and rocket launchers mustering across the border near the Russian city of Kursk - in an area which borders Ukraine's Sumy province - it is an urgent issue.