Oil prices have surged, pushing oil prices back above $100 per barrel today after US-Iran peace talks collapsed and Donald Trump announced a blockade of the Strait of Hormuz. Negotiations in Islamabad broke down with the US delegation blaming Iran's nuclear stance while Tehran accused Washington of shifting demands. The US military enforces a blockade on traffic to and from Iranian ports from today. Iran's Islamic Revolutionary Guard Corps (IRGC) has vowed to retaliate. For analysis, Sakina Kamwendo spoke to senior researcher and director at Africa Asia Dialogues, Thembisa Fakude.