LONDON/ABU DHABI, Feb 28 – The United States and Israel carried out coordinated strikes on Iran on Saturday, aiming at senior leadership targets and triggering a fresh wave of conflict in the Middle East. President Donald Trump said the action was intended to eliminate a security threat and create an opening for Iranians to challenge their government. The developments unsettled neighboring oil-producing Gulf Arab states as concerns about a broader escalation mounted. Tehran responded swiftly,