Satellite images reveal Iran building roofs over damaged buildings at the Isfahan and Natanz nuclear sites that were struck by the U.S. and Israel last year.

Jan 31 (Reuters) - An explosion occurred at Iran's southern port of Bandar Abbas on Saturday, Iranian media reported, without giving a cause for the blast. The semi-official Tasnim news agency said that social media reports alleging that a Revolutionary Guard navy commander was targeted in the explosion were "completely false".

Many people in Tehran and Tel Aviv are worried that Trump will make good on his threats to attack Iran again, but for some, it's fear laced with hope.

As Trump weighs options on a possible strike on Iran, a senior Gulf official told Fox News that Saudi Arabia will not allow the U.S. to use its airspace or bases for such an attack.

Tehran has threatened to treat an attack by the US as part of last summer's war, and its response could be more dramatic.

U.S. naval and air forces are moving toward the Middle East as tensions with Iran rise, highlighting deterrence efforts, escalation risks, and what the buildup means for servicemembers operating in the region.

U.S. allies and partners in the Middle East again are urging restraint from both the United States and Iran as the Trump administration warns of a possible strike and builds up its military presence in the region.

U.S. Secretary of the Navy John Phelan joins 'Squawk Box' to discuss the rising tensions with Iran, reinvigorating the maritime industrial base, and more.

Arab and Muslim states are mounting a last-ditch effort to avert a new war between the US and Iran as concerns grow that the Islamic regime will not yield to Donald Trump’s tough demands.

The Trump administration has targets but no endgame.