UK Championship 2009 Day 8. OSullivan — Higgins. Frame 13, weird situation

This is a fragment of frame 13 of Pukka-Pies UK Championship 2009 semifinal between Ronnie OSullivan and John Higgins, where a foul magically let Ronnie escape a miss sequence. Was Jan Verhaas right not to call a miss?

From BBC Sport live event coverage with commentary by Dennis Taylor, John Virgo.