Moments ago, local Iranian news outlets confirmed the Armed Forces of the Islamic Republic of Iran have shot down a drone from a "foreign country." 

IRANIAN OFFICIAL CONFIRMS DOWNING OF A DRONE BY ARMY, SAYS IT BELONGS TO A FOREIGN COUNTRY - YOUNG JOURNALISTS CLUB

COMMANDER OF IRAN ARMY AIR DEFENSE SABAHIFARD SAYS THE DRONE WAS SHOT DOWN "BEFORE REACHING SENSITIVE SITES" OF THE COUNTRY - IRAN FRONT PAGE

The unidentified drone was downed near the port of Bandar-e-Mahshahr on the Gulf coast, ISNA and Tasnim, reported. 

Iran Front Page's Reza Khaasteh said, "Mahshahr is home to Iran's Petrochemical Special Economic Zone (Petzone), where a major part of the country's petchem plants are located."