US demands Iran publicly ensure Strait of Hormuz is open and safe for shipping

Those sanctioned include Ali Ansari, an alleged financier to Iranian Supreme Leader Mojtaba Khamenei and other senior Iranian officials.

Europe is studying proposals that may allow the charging of navigational fees in the strait of Hormuz so long as the tolls are not compulsory and have the support of the UN agency that regulates maritime transport.

President Trump has threatened to "completely decimate" Iran should it attempt to assassinate him.

The White House wants the regime to publicly acknowledge its mistake, which the Trump administration views as a violation of the ceasefire.