Ronnie O'Sullivan is closing in on the Betfred World Championship-final spot . But , he found himself in a spot of bother with referee Olivier Marteel . O'Sullivan was warned about his behaviour after obscene hand gesture . Five-time world champions needs one more frame to secure progression .
Ronnie O'Sullivan is closing in on World Championship quarter-final spot . But , he found himself in a spot of bother with referee Olivier Marteel . O'Sullivan was warned about his behaviour after obscene hand gesture . Five-time world champions needs one more frame to secure progression .