Earlier headline:

More, but still unconfirmed:

  • Iran's most advanced spying vessel was sunk by US forces (this from Saudi sources cited on twitter)
  • Claims elsewhere, again on social media, that this is 'fake news',

There have been no mainstream media and newswire not mainstream news reports on the incident.

The Iranian Deputy Foreign Minister Abbas Araghchi spoke to Japanese media, NHK, Friday. 
Source: Forex Live