Sabres have been rattling on all sides after two people were killed on board the Zodiac Maritime-managed product tanker Mercer Street during a drone attack off the coast of Oman.
New leaders in Israel and Iran could further escalate the threat to shipping depending on the response they choose.
The covert shadow war between Israel and Iran has already led to numerous attacks on shipping, predominantly those linked to Israeli owners although others have been caught in the crossfire.
