What might follow a regime fall?

The US is threatening regime change in Iran amid anti-government protests. Ayatollah Khamenei has tried to dismiss these as the work of outsiders.

Plus: Donald Trump tells the New York Times that international law won’t restrain him, and Keir Starmer threatens to ban Elon Musk’s X over abuse images.

With Michael Walker, Ash Sarkar and Eskandar Sadeghi-Boroujerdi.