The might of the world's foremost military superpower was bearing down on Iran last night - an armada of American ships and aircraft that could reduce the country to rubble.

Iran has threatened to drag the United States into the conflict by attacking their bases in the region should Washington intervene on Israel's behalf.

At least 224 people have been killed in Iran since Israel began its bombing campaign last week in an attempt to stop the regime from producing a nuclear weapon.

The might of the world's foremost military superpower was bearing down on Iran last night - an armada of American ships and aircraft that could reduce the country to rubble.