The Israeli Defense Minister Israel Katz says the Iranian intelligence minister has been killed in an air strike in Tehran.

It comes a day after Israel confirmed the death of Iran's top security chief Ali Larijani, with now more than half of the Islamic Republic's most senior leadership reported dead.

So what's left of the regime — and does it mark a shift in the bombing campaign by Israel and the United States?

• GUEST: Daniel Levy, President of the US/Middle East Project and former adviser to the Israeli government
• PRODUCER: Eddy Diamond