Iran requests nuclear talks with the U.S. in Oman as diplomatic efforts intensify amid escalating regional tensions and military buildup in the Middle East.

The blast happened a day before a planned naval drill by Iran in the Strait of Hormuz, the narrow mouth of the Persian Gulf through which a fifth of all oil traded passes.

By Emily Rose JERUSALEM, Feb 3 (Reuters) - Israeli Prime Minister Benjamin Netanyahu told U.S. Special Envoy Steve Witkoff on Tuesday amid efforts to revive diplomacy over Iran's nuclear programme that Tehran was unlikely to honor any potential agreement.

Iran says it has had summoned all of the European Union ambassadors in the Islamic Republic to protest the bloc’s listing of the paramilitary Revolutionary Guard as a terror group.

After President Trump sent an armada to the Middle East, Iran's Supreme Leader warned a U.S. attack would spark regional war. The International Crisis Group's Ali Vaez talks about what's next.

An explosion has ripped through an apartment building in the Iranian port city of Bandar Abbas, killing a 4-year-old girl.