The conflict involving the United States, Israel and Iran has entered a volatile new phase, raising fresh geopolitical and legal questions about the future of the region.

Following reports of strikes that resulted in the death of Iran’s Supreme Leader, Ali Khamenei, attention has turned to who could succeed him and what that transition might mean for regional stability.

US President Donald Trump has stated that he wants to play a role in discussions surrounding Iran’s next leader, a remark that has sparked debate over whether Washington is attempting to influence the country’s political direction.

How realistic is it that the US could shape Iran’s leadership succession? And how might Tehran respond as it weighs its options and defends its sovereignty?

On The Big Story, Hongbin Jeong speaks with Dr Jessica Genauer, Associate Professor in International Relations at Flinders University, to find out more.