“I thought both managers were very clear in their views and said it wasn’t a penalty,” he added. “I also thought the manager of Birmingham was pretty magnanimous in his post-match comments.

“I will be sitting down with Peter on a one-to-one basis, and as a group, to see how we can best deal with this problem.

“We will sit down and go through what the referee could have done to avoid this error. Before I do that I need to look at the various views of the incident on the TV footage to look at the position of the referee.

“I’ll tell you this, I know Peter Walton very well and he will be upset when he views the DVD of this particular decision.”

PFA chief Gordon Taylor believes Liverpool’s desperate need to improve a poor run of form may have contributed to Ngog’s actions.

“It probably would be naive to think that people aren’t going to try and take short cuts or gain an advantage,” said the former Birmingham winger. “It’s trying to keep that in proportion and trying to ensure that the sporting side of that comes out on top.

“With Liverpool, they have been under pressure and have not been winning many games so a tremendous pressure builds up.”