Three members of the Iranian security forces were killed in clashes along the border with Iraqi Kurdistan, the Revolutionary Guards said in a statement on Wednesday.
The attack was not thought to be linked to the past week's unrest and protests.
The statement, reported by the conservative Mehr news agency, said the attack happened in the border area of Piranshahr, a region that sees sporadic clashes with Kurdish separatists based in Iraq.
Those responsible were still being pursued, the report said.
Halt execution of academic 'immediately', UN experts tell Iran
Four UN rights experts on Wednesday called on Iran to "immediately" annul the death sentence against an academic accused of espionage during nuclear talks with world powers, warning his trial had been marred by violations.
Ahmadreza Djalali, an Iranian emergency medicine specialist resident in Sweden, was sentenced to death in the Islamic republic in October for spying for Israel.
The a … read more