Iran targeted US radar and air defence installations in the Gulf on Tuesday, warning Washington of "more decisive and powerful" attacks to come as the conflict threatened to widen with a blockade of Saudi ports by Houthi rebels in Yemen. Hours later, the Iranian army said it had targeted US assets in Kuwait and Bahrain, including air defence systems, radar installations and administrative buildings.

Iran struck Kuwait and Bahrain targets after a week of escalating U.S. military operations, raising fears of a wider regional conflict.

Iran targeted US radar and air defence installations in the Gulf on Tuesday, warning Washington of "more decisive and powerful" attacks to come as the conflict threatened to widen…