"Unfortunately, worrying reports have been received today in this regard, and that is not at all acceptable, " Khatibzadeh said.

He dismissed the rumors that Iran's border guards have reciprocated, but stressed that "maintaining the security and peace of the Iranian citizens living in the border areas is the red line of Iranian armed forces."

The spokesman vowed that Iran would not remain indifferent in case of a repeat of such attacks. (ILKHA)