5 May 2012 Last updated at 19:53 GMT

Ronnie O'Sullivan century for fourth Crucible final

Three-time world champion Ronnie O'Sullivan

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Three-time world champion Ronnie O'Sullivan is through to his fourth Crucible final, with a 130 break in the penultimate frame of a 17-10 win over Matthew Stevens.

The Rocket praises the Welshman after a "tough match" and looks forward to a final against Ali Carter, his opponent in his last Crucible win in 2008.

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WORLD SNOOKER CHAMPIONSHIP

  • Venue: Crucible Theatre, Sheffield
  • Dates: 21 April to 7 May
  • Times: Sessions at 1000, 1430 & 1900 BST

Coverage: Live on BBC TV, HD Channel, Red Button and online; Twitter updates #bbcsnooker