When the US and Israel launched their joint offensive on Iran more than a month ago, Tehran moved quickly to block the Strait of Hormuz.
Since then, the Revolutionary Guard has allowed some vessels to transit. But the majority, about 3,000, are stranded.
The gathering yielded no concrete results, except for an acknowledgement that further consultations were needed.
So, how should the Strait of Hormuz and other vital shipping routes be governed in times of war?
Rockford Weitz – Maritime studies programme director at Tufts University’s Fletcher School
Craig Murray – Maritime specialist and former maritime section head of the UK’s Foreign Office

