Oscar Pistorius' defence team will finish their closing arguments in the athlete's murder trial before the judge retires to consider her verdict.
Pistorius is accused of murdering his girlfriend Reeva Steenkamp on Valentine's Day last year, but the athlete says he mistook her for an intruder.
Prosecutor Gerrie Nel claimed Pistorius had told the court "a snowball of lies" during the high-profile trial, and that his defence was "devoid of any truth".
Defence lawyer Barry Roux attacked the state's case in his opening remarks on Thursday, and will conclude his argument today.
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Voting that had been expected on Thursday will now be held Friday instead.
Police were called in amid fears the man may have been poisioned.
Williams is charged with first-degree murder without premeditation, a probation violation and for not having a valid driver’s licence.