Iran has said that 19 people including a Revolutionary Guards colonel were killed in clashes at the south-eastern Iranian province of Sistan-Baluchestan, near Pakistan border on Friday. State media reported that provincial intelligence officer of the Islamic Revolutionary Guards Corps Colonel Ali Mousavi was among the three members of the elite IRGC, who were killed in the deadly clashes. Iran's security forces were returning fire when a police station in Zahedan came under attack by gunmen. Watch this video for more details.