Iran’s elite Revolutionary Guard vowed Sunday to exact “deadly and unforgettable” vengeance for an attack on a military parade that killed 25 people, including 12 of its comrades, as Tehran accused Gulf Arab states of backing the gunmen. Saturday’s assault, one of the worst ever against...

Iranian President Hassan Rouhani on Sunday appeared to blame Arab separatists for an attack on a military parade the previous day that left 29 people dead. "It is absolutely clear to us who has done this, which group it is and to whom they are affiliated," Rouhani said on state...

Iranian President Hassan Rouhani vowed a "crushing" response after assailants sprayed a crowd with gunfire, shooting dead at least 29 people including women and children Saturday at a military parade near the Iraqi border. The Islamic State (IS) group claimed responsibility for the rare...

Activists say powerful Iranian-backed militias that control the Iraqi oil capital of Basra have waged a campaign of intimidation and arbitrary arrests to silence protests aimed at poor government services and Tehran's outsize influence in the region. Some protesters say they have been...