A member of peshmerga forces runs at a site of an attack by Islamic State militants in Kirkuk, Iraq, October 21, 2016. (Xinhua/Reuters Photo)

TEHRAN, Oct. 21 (Xinhua) -- Iran's Foreign Ministry announced Friday that four Iranian technicians were killed in the attack by Islamic State (IS) militants on a power plant in the Iraqi northern city of Kirkuk, official IRNA news agency reported.

Three other Iranian technicians were also injured, according to the latest reports, said Iranian Foreign Ministry spokesman Bahram Qasemi.

Expressing deep repugnance and regret over the brutal incident, Qasemi offered condolences to the families of the victims, including those of the Iranians.

These blind attacks on defenseless civilians are the signs of the last breaths of terrorists in Iraq and they will be revenged in the battlefields, said the spokesman.

Qasemi said that the consul of the Islamic republic in Sulaymaniyah city of Iraq is probing into the incident and updates will be released about Iranian casualties.

At least 24 people were killed and dozens of others wounded in multiple attacks by Islamic State militants on police compound and other government buildings in Kirkuk on Friday morning.