ISLAMABAD: In Pakistan, the security of Saudi Arabia is often described as a “red line,” a position rooted in religious devotion, the sanctity of Islam’s holiest sites and decades of close ties. But the relationship goes far beyond faith and sentiment; the stability of the Kingdom is closely linked to Pakistan’s economic stability, the livelihoods of millions of its citizens and its wider strategic interests. To Islamabad, any threats to Riyadh are not a distant Middle Eastern concern; they carr