As the US weighs joining Israel’s assault on Iran, questions are mounting over whether such an intervention could trigger regime change in Tehran – an outcome that risks splintering the country and sending shockwaves across the region.

Iran’s key global allies, Russia and China, have also condemned Israel’s strikes. They have previously shielded Tehran from punitive resolutions at the UN Security Council.

Bernie Sanders has sponsored an anti-war resolution in the Senate, while conservative Thomas Massie is doing the same in the House.