South Africa have continued to dominate Australia on the third day of their third Test match in Perth.
The visitors have headed into lunch on 320-3, with Hashim Amla unbeaten on 149 runs and AB de Villiers on 18.
South Africa started the morning session on 230-2 and added 90 more runs by lunch, with Amla completing his century and Jacques Kallis ending his innings on 37.
Australia were bowled out in their first innings for just 163 runs after the visitors had scored 225 in theirs.
