A growing number of ships have passed through the Strait of Hormuz in secret in recent days, while observable traffic has dwindled, following the resumption of fighting between the US and Iran, reported Bloomberg.
All of the six commodity carriers that transited Hormuz on Sunday did so with their transponders turned off, according to preliminary Kpler data analysed by Bloomberg News. So-called "dark crossings" outnumbered observable passages for the previous three days.