كتب : Omar AbdelAziz
The Egypt icon, who played for one season for UAE's Al-Ain in 1999, has been invited for an exhibition match in an international festival in Dubai on Wednesday.
"Hassan's decision to leave the team at such a stage is disrespectful," Karawan told FilGoal.com on Wednesday.
The 41-year-old left his team's build-up for the crucial bottom of the table clash with Baladeya Mahalla on Friday.
Hassan, who is yet to score a goal for Ittihad since his arrival from Tersana this summer, should return on Thursday before the Baladeya game.
The Alexandria-based club are still winless after seven Egyptian League games, lying second from bottom on four points.