The man, who carried out a suicide bombing which killed 27 members of Iran's elite Revolutionary Guards near the border with Pakistan last week was a Pakistan national, a senior Iran Revolutionary Guards commander said, according to news agency Reuters.
Meanwhile, Brigadier General Mohammad Pakpour, Commander of the Islamic Revolutionary Guard Corps Ground Forces, said the suicide bomber was identified as Hafiz Mohammed Ali, a Pakistani national.
Egypt's Foreign Ministry condemned on Saturday the recent terrorist attack against Iran's Revolutionary Guards (IRGC) on Wednesday that killed around 27 people and injured 13 others.
Apart from the suicide bomber, one of the suspected accomplices was also Pakistani, he said.
The so-called Jaish ul-Adl terrorist group has reportedly claimed responsibility for the attack.
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Iran also accuses Saudi Arabia of inciting members of Iran's Sunni Muslim minority to violence.
Iran has blamed Pakistan for sheltering anti-Iran militants in its territory near the border area.
The guards on February 18 announced three arrests in the case. Once the owner of the auto was identified, intelligence and security forces carried out arrests.
Qureshi emphasized that Islamic Republic of Iran neighbors with Pakistan and will never create any problem to its neighbor.
Iran has provided Pakistani officials with "information on the terrorist groups' hidden and semi-hidden training centres", army chief-of-staff Mohammad Bagheri told Tasnim news agency.