Deputy Foreign Minister of Tajikistan Nizamuddin Zahedi signed the memorial book.
Most of the resident ambassadors, representatives of the diplomatic missions and some political figures sympathized with the victims of the deadly attack.
About thirty-five countries have so far slammed the terror attack in Iran.
At least 25 people, including women and children, were martyred and more than 60 others injured during September 22 terror attack in Ahvaz which took place during a military parade held to mark the 38th anniversary of the eight-year (1980-88) war imposed on Iran. The self-proclaimed Saudi-affiliated Al-Ahwaz terrorist group claimed responsibility for the attack.
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