Israel has escalated its bombardment of Iranian cities, including Tehran's state television headquarters; Iranian missiles have struck Tel Aviv.

The map created using a simulation tool shows the devastating impact of a hypothetical U.S. nuclear strike on Tehran, Isfahan, and Qom.

If the U.S. decides to support Israel more directly in its attack on Iran, one option for Washington would be to provide the “bunker-buster” bombs believed necessary to significantly damage the Fordo nuclear fuel enrichment plant,