File photo: CGTN

TEHRAN, Nov. 8 (Xinhua) -- The air defense forces of Iran's army targeted an "unknown" drone over the sky of southern port city of Mahshahr on Friday, Tasnim news agency reported.

Gholamreza Shariati, the governor of Iran's southwestern Khuzestan province, told official IRNA news agency that the targeted drone "definitely" belonged to a foreign country.

The debris of the drone has been recovered and investigations are underway to identify its origin, Shariati said.