Zimbabwe's Constitutional Court has confirmed that it will hear the opposition's legal challenge to the election victory of President Emmerson Mnangagwa on 22 August.

The MDC Alliance candidate, Nelson Chamisa, says last month's presidential poll, which Mr Mnangagwa won with 50.8% of the vote, was rigged.

Mr Mnangagwa had urged the court to throw out the case. He dismissed Mr Chamisa's behaviour as childish.