Vladimir Putin's war has not gone to plan. Here are Russia's three biggest failures in Ukraine so far

Vladimir Putin's attempt to capture the eastern Donbas region has "stalled", according to NATO.  (Kremlin via Reuters: Alexei Druzhinin)

In a military campaign marred by logistical troubles and dwindling morale, it's fair to say Vladimir Putin's "special operation" in Ukraine hasn't quite gone to plan. 

Thanks to a handful of miscalculations, analysts say Russian forces have largely abandoned their original objective of a large-scale occupation in favour of cementing their hold on the eastern Donbas region.