"Iran's Islamic Revolutionary Guard Corps attacked a Singapore-flagged cargo ship Thursday in the Strait of Hormuz... the incident took place near the coast of Oman hours after the IRGC warned ships not to use routes that the regime hadn't sanctioned." https://www.wsj.com/world/middle-east/iran-attacks-cargo-ship-testing-trumps-deal-to-reopen-strait-d3cf454c?mod=e2tw