Regional powers are working to bring together high-level negotiations on Iran’s nuclear program, in hopes of staving off war.

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 Parisa Hafezi DUBAI, Feb 2 (Reuters) - Iran is weighing the terms for resuming talks with the United States soon, a foreign ministry official said on Monday, after both sides signalled readiness to revive diplomacy over a long-running nuclear dispute and dispel fears of a new regional war.

President Donald Trump said Iran is negotiating “seriously" with the U.S. as he keeps military options on the table and American naval forces move into the region.

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