Ukraine war: Satellite images reveal Russian defences before major assault

A beach resort bristling with fortifications. A major road lined with anti-tank ditches. Satellite analysis by BBC Verify has uncovered some of the extensive defences built by Russia as it prepares for a major Ukrainian counter-attack.

After months of stalemate, the expected assault is likely to be a crucial test for Ukraine as it seeks to prove it can achieve significant battlefield gains with the weapons it has received from the West.