By David Ljunggren, Enas Alashray and Hatem MaherWASHINGTON/CAIRO, July 18 (Reuters) - The U.S. military said on Saturday two of its personnel were killed in Jordan and another was missing after an Iranian attack, while Iran's supreme leader said Washington would pay for "seeking to escalate the conflict" after a seventh straight night of U.S. strikes.The U.S. and Iran have intensified attacks since an interim ceasefire deal signed a month ago fell apart last week, raising the possibility of a return to all-out war.

Regional hostilities escalated to an unprecedented peak on Saturday after U.S. Central Command (CENTCOM) confirmed the first American military fatalities caused by direct Iranian…

One service member is also missing in action following the strikes in Jordan.