US intelligence indicates China is preparing to deliver new air defence systems to Iran within the next few weeks, CNN reported on Friday, citing three people familiar with recent intelligence assessments.

The planned shipment would represent a significant escalation that could undermine the fragile two-week ceasefire brokered by Pakistan between the United States and Iran. If delivered, the systems would bolster Iran’s ability to resist future US or Israeli airstrikes, potentially emboldening Tehran to take a harder line in ongoing negotiations.

The development is distinct from Washington’s earlier threat of 50 percent tariffs on countries supplying weapons to Iran — a measure that targeted weapon suppliers broadly but did not specifically mention air defence systems from Beijing.

Sri Lanka implications

The ceasefire has been the single most consequential geopolitical development for Sri Lanka’s energy crisis, as Hormuz reopening prospects directly affect fuel supply costs and availability. Any collapse of the ceasefire would reverse the tentative gains seen in oil markets and the Colombo Stock Exchange rally that followed the truce announcement.

China’s dual role — as both a permanent UN Security Council member that vetoed the Hormuz security resolution alongside Russia and now as a potential arms supplier to Iran — complicates any multilateral path to de-escalation.

The US State Department has not publicly commented on the reported intelligence assessment.