The Iranian airstrike on Tuesday killed two children.
The blasts targeted two mosques in regions bordering Afghanistan on Saturday.
The high-risk operation was completed successfully in the darkness of night.
The blast took place in Pakistan's northwestern Khyber Pakhtunkhwa province.
"Bringing these people to justice is a test case for the government."
At least five people have died in violence that has aggravated instability in the South Asian country of 220 million people.
At least 10 people were injured as Khan supporters clashed with police.
The Peshawar High Court acquitted the rapist after the two were legally married earlier in December
The former cricketer was shot on Friday.
