This is CNBC's live blog covering the U.S.-Israel strikes on Iran, and Tehran's counterattacks across the Middle East. CNBC's reporters are covering the strikes from our bureaus in Washington, London, Singapore, San Francisco, and Englewood Cliffs, New Jersey. Head here for the previous day's updates. What you need to know The U.S.–Israel conflict with Iran entered it third day, with loud blasts heard in Dubai and Abu Dhabi and Tehran's security chief saying that negotiations with Washington