Trump, MBS join forces to bomb Iran-backed militias in Iraq; Mid-east war spirals out of control?

Did the Middle East just open another front? U.S. and Saudi Arabia carried out joint strikes on Iran-backed militias in Iraq after repeated drone attacks targeting American forces and Saudi oil infrastructure. Iraq has reacted sharply, while Iran accuses Washington and Riyadh of expanding the war. Here's everything we know about the rapidly escalating regional crisis.