US strikes Iran: the breakdown of the rules-based order

Just over a week ago, Iranian and American officials were set to meet for a fresh round of negotiations over Tehran’s nuclear program. Now the region is on the brink after the US joined Israeli attacks on Iran, striking three key uranium enrichment sites. And Iran has vowed to retaliate. Professor Ben Saul, the Challis chair of international law at the University of Sydney, tells Nour Haydar why he thinks the weekend’s events signal the breakdown of the rules-based order