Rev Andrey Kordochkin - Former Dean, Russian Orthodox Cathedral of Madrid

Vladimir Putin talks of restoring greatness to what he calls the Russian world, an expanse of territory stretching far beyond Russia’s current borders - which Ukrainians know to their cost. Putin’s expansionist nationalism requires military power, but it has harnessed the cultural and spiritual authority of the Russian Orthodox Church as well.

Stephen Sackur speaks to Andrey Kordochkin, who was a Russian Orthodox priest who spoke out against the Ukraine war and the 'Putinisation' of the church - but is he swimming against an unstoppable tide?