New Zealand's Sonny Bill Williams ready for 'world class' England

New Zealand's Sonny Bill Williams says England's players are "world-class" and has singled out fellow National Rugby League star Sam Burgess for praise ahead of their World Cup semi-final clash on Saturday.

Williams, 28, has had a mixed tournament, falling just before planting the ball down for a try in his side's match with Samoa, but scoring a hat-trick to help the Kiwis defeat Papua New Guinea.

The reigning champions cruised into the final four by beating Scotland 40-4 last weekend, with Williams aiming to become the first player to win a World Cup in both codes of rugby.

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Coverage of England v New Zealand (1300): Live on BBC TV, online, mobile and Connected TV. Live commentary on BBC Radio 5 live sports extra, live text commentary on the BBC Sport website, mobiles & app.