Drones, cruise missiles and fighter jets have become a common sight for many sailors stranded on ships in the Gulf.

The Strait of Hormuz, a 39 km-wide waterway flanked by Iran to the north and Oman and the UAE to the south, is a passage through which one-fifth of the world’s oil flows each day.…

The cause of attacks on the commercial vessels in the strait - a vital corridor for oil - is being investigated.