South Africans protest over Barack Obama visit
28 June 2013 Last updated at 16:35 BST
US President Barack Obama faces wide-ranging protests as he arrives in South Africa.
Mr Obama is travelling to the country on the latest leg of his long-planned Africa tour - his first visit to the continent in four years.
Hundreds of people have gathered in Pretoria to protest against US foreign policy.
Gabriel Gatehouse reports.