Mandela signer says he had a ‘schizophrenic’ episode on stage

Interpreter says he is ‘very sorry’

By Olivia Kumwenda-Mtambo and Ed Cropley

A South African sign language interpreter accused of gesticulating gibberish during a memorial to Nelson Mandela defended his "champion" performance on Thursday, but said he may have suffered a schizophrenic episode while on stage.