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.

Iranians in the U.S. are anxious about the safety of loved ones in Iran amid its conflict with Israel. They’re also split over the prospect of regime change.

The Israeli military said early Thursday local time that it was conducting “a series of strikes” in Tehran and other areas in Iran.