Ukraine’s ammunition becomes defining issue in battle for Donbas

Analysis: as Soviet-era shells run low, Ukraine appeals for artillery that can use Nato shells, but deliveries are slow

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For Ukraine's military the question of ammunition for its artillery has been something of a catch-22.

In the battle for Donbas in the east - which has become largely an artillery duel between Russian and Ukrainian forces - Kyiv has been heavily reliant until recently on Soviet-era ammunition for the artillery that makes up a large part of its arsenal.