BBC Sport - The Hit: Rugby World Cup semi-final preview

The Hit: Why Savea is 'The Bus'

BBC Sport looks forward to the Rugby World Cup semi-finals as New Zealand, South Africa, Australia and Argentina battle for a place in the final.

Reigning champions the All Blacks face the Springboks on Saturday in their quest to become the first team to win back-to-back World Cups.

Sunday sees the Wallabies take on the Pumas at Twickenham.

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