Unknown gunmen have killed two law enforcement forces in the southwestern Iranian city of Ahvaz, news agencies reported on Monday.

Axar.az reports citing PressTV.

Provincial police official Ali Qassempour said the attack took place in the early hours of Monday.

“Since the earliest moments after the attack, efforts have been underway to identify and arrest the assailants,” said the official who is the deputy for social affairs of the Law Enforcement Force of Khuzestan Province.

Last year, a terrorist group struck a police station in the province’s Hamidiyeh town, killing three security forces and injuring two more. The terrorists were nabbed within 72 hours and sentenced to hang by a court.

Ten Iranian border guards were killed last month in the southeast in a border attack originating from the Pakistani side. The assailants escaped into Pakistani territory immediately after the attack.

The so-called Jaish ul-Adl terrorist group claimed responsibility for the attack in a statement.

Chief of Staff of the Iranian Armed Forces Major General Mohammad Baqeri later called the perpetrators “Saudi-hired terrorists, who enjoy the US endorsement.” Chief of Iran’s Law Enforcement Forces Brigadier General Hossein Ashtari said the attackers had been “reinforced with Saudi money.”

In widely-reported remarks, Saudi Deputy Saudi Crown Prince and Defense Minister Mohammed bin Salman recently said, "We will work to have the battle in Iran rather than in Saudi Arabia."

Dehqan reacted in an interview with Arabic language Al-Manar TV by saying, “We warn them against doing anything ignorant, but if they do something ignorant, we will leave nowhere untouched apart from Mecca and Medina.”