TEHRAN, Oct 30 (AFP) - Iran must prepare itself to face a US attack, the Islamic republic's defence minister said Wednesday, accusing Washington of "seeking to reorganise the region". "We have to be prepared for the hypothesis of an American attack (against Iran), and reinforce our unity and avoid any divisive action," Rear-Admiral Ali Shamkhani told the student news agency ISNA. "The US government wants to reorganise the region and as a consequence Iran could constitute a target," he said. "If the Americans are in both Afghanistan and Iraq, this represents a significant challenge," he added. Only the previous day,...