70 minutes played and Dundee United 1 Celtic 1 with Celtic desperately trying to maintain their 100% start to the season.
Gary Hooper after breaking away from Dundee Utd centre half Gary Kenneth's pulling and shoving is brought down by goalkeeper Dusin Pernis.
Referee Douglas McDonald with a clear view of the play immediately points to the spot for a penalty. After explaining the decision to half the protesting Dundee United team he is called over to his Assistant referee Steven Craven who had taken his place behind the goal for the penalty, both consult and decide it was no penalty.
Its clear McDonald had a better view of the incidents than his assistant who was further away and viewing behind the keeper rather than a better view side on as McDonald clearly was.
The assistant referee also had clear view of the two hand ball incidents McDonald didnt award penalties for in the same penalty area but didnt think it was worth getting involved in.
Both have previous as can be seen below.