Watch: U.S. and Iran to talk in Switzerland as Tehran says it closed Strait of Hormuz again

The U.S. and Iran have begun technical-level talks in Switzerland after Iran announced the closure of the Strait of Hormuz over the ongoing Israel-Lebanon conflict. As negotiations test the interim agreement, Iran insists key commitments must be honoured before a final deal can move forward. Meanwhile, Israeli strikes continue in Lebanon, with the death toll in the conflict crossing 4,000.