Russia says it’s thwarted a major Ukrainian attack in the latest sign that that the counter-offensive may have started. Meanwhile, Kyiv says that "offensive actions" are under way in the east. But how significant could these developments be?

Kyiv correspondent James Waterhouse and security correspondent Frank Gardner discuss whether we’re now in a new phase of the war.

Today’s episode is presented by Victoria Derbyshire and Vitaliy Shevchenko.

The producers were Arsenii Sokolov and Clare Williamson. The technical producer was Mike Regaard. The series producer is Tim Walklate. The senior news editor is Sam Bonham.

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