Iran restarts fight against US presence in region, showing 'new appetite for risk

Iran has launched a surprise attack, described by the US as unexpected, amid days of relative calm in the Middle East. The move is seen as a striking change to the pattern of fighting and suggests Iran's willingness to take risks after the US withdrew its support for the conflict. The attack's timing and nature are unclear, but it marks a shift in Iran's approach to the region's security landscape. The incident has raised concerns about potential escalation.