Iranian security forces arrested the poet Hossein al-Haidari, brother of martyr Hassan al-Haidari, late Monday after a funeral ceremony which lead to confrontations between the protesters and Iranian security forces.
Protesters condemned the Iranian intelligence' involvement in the assassination of Hassan.
Iranian intelligence has murdered the Ahwazi poet through poisoning him. shortly after his release from prison, Hassan shown poisoning symptoms and died by heart attack.
According to Ahwazi recources Security forces threw tear gas at the demonstrators and arrested dozens of protesters, including poets and artists, who mourned the martyr.
The Iranian intelligence has been forcing the family of Hassan Haidari to confess that their son was not killed by the regime.
Some of the family members including his brother has been taken to unknown location.
The Human Rights Organization calls on governmental and non-governmental humanitarian organizations to stop arbitrary arrests and immediately release all Ahwazi detainees.