Monk was perplexed by what he felt was an early final whistle from referee Lee Probert, blown up when Jonathan de Guzman looked to be breaking clear on goal.
"It was a poor decision. We scored and they have to restart the clock, so it would be five minutes minimum," Monk said.
"Then we are clean through on goal and 99 per cent a goalscoring opportunity is going to come, and they blow up 30 seconds short.
"I told the referee it was a very poor decision and it is very strange.
"When they put the clock up, it is minimum of that, and we are 30 seconds short, I just don't get it.
"I have never had it like that in any game I have ever played in."
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