Jaco Peyper will referee the Lions’ Super Rugby semi-final against the Highlanders at Ellis Park on Saturday.

Peyper's assistant referees will be Ben O'Keeffe and AJ Jacobs, while Shaun Veldsman will serve as the TMO.

The first semi-final between the Hurricanes and Chiefs in Wellington will be officiated by Australia’s Angus Gardner.

Gardner will be assisted by Glen Jackson and Paul Williams, with Ben Skeen as the TMO.

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