Iran picked up a crucial 1-0 win over Qatar at the Al Sadd Stadium on Thursday evening as they extended their lead at the top of Group A with 14 points from six outings.
However, the match ended on a sour note with the two benches engaged in a verbal duel while Queiroz was booed by the assembled 10237 fans.
The Portuguese coach claimed that Qatar’s coaching staff allegedly made insulting remarks about his mother throughout the duration of the game which, according to him, was a case of “lack of ethics.”
"Two staff insulted me in Spanish, I can't understand it. People don't have the right to spend the game insulting and offending other people," said Queiroz.
"I have never seen this in my life before,” he added.
He went on to state that the standard of coaching staff employed by the Qatari FA for the national team was of substandard quality.
"One thing I am sure, the coaching staff is not at the level of the Qatar national team. The Qatar national team deserves much better,” he mentioned.
However, Qatar coach Jorge Fossati had a different version of the events. Queiroz was alleged to have made some comments over the number of foreign-born players in the Qatar squad which had incensed Fossati. However, Queiroz denied having made any such comments in the media.
"If he doesn't take responsibility for what he said (about naturalised players), how can we believe what he says?"
"Mr Queiroz is a good artist. He is not the kind of man that I like,” said the Spaniard.