A police officer holding a gun at an anti-US demonstration in Soweto
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Obama in South Africa: Anti-US protests amid visit

29 June 2013 Last updated at 19:22 BST

In South Africa, police have fired warning shots at a protest against President Obama's visit to the country.

At the University of Johannesburg Soweto campus, where Mr Obama hosted a question and answer session on Saturday, groups were protesting about the use of drones in the Middle East, the continuing Cuban crisis and Mr Obama's failure to completely close the camp at Guantanamo Bay.