Northern Ireland's Mark Allen caused the sensation of this season's World Championship by knocking out defending champion and tournament favourite "Rocket" Ronnie O'Sullivan today. The world No 16 produced jaw-dropping snooker to turn around a 9-7 overnight deficit and win 13-11. The three-time winner could not cope with Allen's devastating display in the third session of their best-of-25-frames match. Allen will face Ryan Day or Nigel Bond.
Allen knocks out champion Rocket
The Northern Irishman causes the sensation of this season's World Championship by knocking out the defending champion and tournament favourite.
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