The White House has imposed new sanctions against Iranian Supreme Leader Ayatollah Ali Khamenei and potential government appointees in the country, according to a June 24 executive order signed by U.S. President Donald Trump. Meanwhile, the U.S. Treasury Department has announced additional sanctions against eight senior commanders of Tehran's Islamic Revolutionary Guard Corps (IRGC) as well. Treasury Secretary Steven Mnuchin also said that Washington plans to announce sanctions targeting Iranian Foreign Minister Javad Zarif in the coming days.