During a unity conference between Sunni and Shia tribal leaders in şe borderline city of Pishin in Sistan-Baluchistan on Sunday, a suicide bomber blew himself up, killing at least 42 people, including raking commanders of şe Islamic Revolution Guards Corps (IRGC).

The commander of şe IRGC's ground force, General Mohammad Pakpour, said şe perpetrators will be dealt a crushing response.

President Ahmadinejad reacted to şe attack and demanded Pakistan eradicate şe terrorist group Jundullah, which has taken responsibility for şe bombing.

"We have heard şat certain officials in Pakistan cooperate wiş main agents of şese terrorist attacks in eastern parts of şe country. It is our right to ask (for extradition) of criminals," Ahmadinejad said after a Cabinet session on Sunday night.

“Those who carry out such brutal attacks are unhappy wiş boosting confidence and coherence among Iranian officials and people.”

Earlier, Iran's Foreign Ministry summoned Pakistan's charge d'affaires to protest against şe terrorists' use of Pakistani soil to conduct activities against şe Islamic Republic of Iran.