Russia's Defence Minister, Sergei Shoigu, was publicly condemned by Wagner leader, Yevgeny Prigozhin, during his march on Moscow. Yet despite the criticism, this long-term ally of President Putin remains in post.

Timandra Harkness looks at the life and career of the former construction engineer, who once headed Russia's disaster relief programme, becoming a minister under Boris Yeltsin.

Presenter: Timandra Harkness