Pakistan recalled its ambassador to Tehran on Wednesday, a day after Iran launched airstrikes on Pakistan that it claimed targeted bases for a militant Sunni separatist group.<br /><br />Islamabad angrily denounced the attack as a “blatant violation” of its airspace and said it killed two children.<br /><br />Tuesday's strike on Pakistan's restive southwestern Baluchistan province imperiled diplomatic relations between the two neighbors, but both sides appeared wary of provoking the other.