Sign language intrepreter blames lack of concentration at Mandela's memorial

A schizophrenic attack has been blamed for the sign language interpreter at Nelson Mandela's memorial service not making any sense. Thamsanqa Jantjie (pron: Tham-san-ka Yanki) has told a South African newspaper he lost concentration after beginning to hallucinate on stage. Sky's Michelle Clifford, who's in Pretoria, says he's rejected the allegations he's a fake. Press PLAY button above to listen to the audio

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