At the 2016 European Championships, violent clashes between Russian and English supporters in Marseille put the spotlight on Russian hooliganism.

Russian hooligans injured over 100 English supporters, beating two into a coma.

It has raised serious concerns ahead of Russia hosting the 2018 World Cup.

In rare interviews with members of the Orel Butchers - who violently attacked English fans in Marseille - a world is revealed where brutal violence has become a mark of honour.

Watch the full programme Russia's Hooligan Army, BBC 2, on iPlayer, first broadcast Thursday 16th February

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