One of the most important elections in South Africa's modern history is taking place as the ruling African National Congress picks a new leader.

Billions of pounds have been lost in corruption scandals under the rule of the incumbent Jacob Zuma.

The leading challengers for the leadership are, Dr Ndlamini Zuma, and Cyril Ramaphosa, who has promised to root out corruption in government.

The BBC’s Africa Editor, Fergal Keane, has travelled through the ANC stronghold of the Eastern Cape.