President Jacob Zuma has confirmed that US President Barack Obama's forthcoming visit to South Africa will go ahead despite Nelson Mandela's poor health.
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It will be drier and brighter in the south, with temperatures remaining high.
The well-respected foreign policy hawk enjoyed his greatest successes as national security adviser to President Jimmy Carter.
Police have arrested two men aged 20 and 22 on suspicion of terror offences, bringing the number of people are now in custody to 11.