Hugh Dallas, former Scottish football referee, has blasted Celtic boss Neil Lennon for his behaviour after their 2-1 Scottish Cup semi-final loss to Hearts.
Lennon ran onto the pitch to confront official Euan Norris after he awarded Hearts a controversial stoppage-time penalty for a handball against Joe Ledley.
Dallas, who officiated at two World Cup finals, told STV: “I can’t remember in 25 years of refereeing seeing a manager run that far onto a pitch to bully a referee.
“These pictures are going around the world and it is not good.”
Craig Beattie slotted home the penalty to set up an all-Edinburgh final with city rivals Hibernian, dashing Celtic's chances of a domestic double.
Dallas also contrasted Lennon's reaction to that of Tottenham Hotspur's Harry Redknapp, whose side bore the brunt of an erroneous decision by referee Martin Atkinson during their FA Cup semi-final defeat to Chelsea.
“Take another example yesterday in the Tottenham Hotspur game,” added Dallas. “It was a huge occasion and a goal was given where the ball didn’t cross the line.
“After the game, Harry Redknapp said he had chat with the referee, who admitted he made an honest mistake."
Dallas is a controversial figure within the green-and-white contingent of Glasgow.
He was struck by a coin which left him nursing a bloody head wound during an Old Firm fixture in 1999, as some supporters who invaded the pitch had to be restrained from attacking him.
And in November 2010 it emerged he had allegedly sent what was described as a sectarian and offensive email referring to the Pope from his Scottish Football Association email account.
He was sacked by the SFA later on that month after chief executive Stewart Regan had concluded the investigation into the allegations.