
Ukrainian troops conducting weekend exercises near the small town of Siversk, in the country's east, said they were preparing to defend one of the possible targets of a new Russian offensive.
Siversk, which had a pre-war population of 10,000, is 35 kilometres (21 miles) north of Bakhmut - scene of fierce fighting in recent weeks - and on a direct road to another of the key towns in the Donetsk region, Sloviansk.