Stuart Livingston Wallace
The ship was traveling in the southern corridor hugging the coast of Oman, an alternative to the northern passage near Iran. This may be a warning to use the Iranian-controlled route, suggesting Iran wants to maintain control over Hormuz and extract a revenue stream (toll/fee) from all ships, worth billions annually.
Details are not entirely clear; no one has claimed responsibility. The red line for the US and allies is that the strait must remain an area of free passage for international commerce.