Treasury Secretary Scott Bessent says President Trump has been speaking with world leaders to urge them to join the U.S. in crippling Iran's economy, as Tehran strikes a defiant tone at the threats.

As President Trump tries to disengage from the war he launched on Iran, Gulf allies worry about their own future with their powerful neighbor.

The Iran war is putting Gulf countries in a bind. They want the U.S. as a security partner, but they also have to live with Iran as a neighbor.