Oil tanker traffic through the Strait of Hormuz has effectively ground to a halt, with data and sources indicating that just two tankers sailed through the waterway in the early hours of Thursday.
The near-standstill marks a further deterioration in shipping conditions as renewed attacks strain the fragile interim truce between the US and Iran.
The collapse in transit volume reinforces the supply-side risks that have kept Brent crude elevated.
With commercial vessel traffic already falling sharply over the weekend to just five ships after a vessel was struck on Saturday, the latest data suggests that shipping operators are increasingly avoiding the chokepoint.
This persistent disruption maintains upward pressure on energy prices, as markets price in the likelihood of prolonged supply constraints.
The situation underscores the fragility of the diplomatic progress made in recent weeks.