The beaches of Ras Madrakah on mainland Oman, around 200 kilometres north of Qabiliyah Island, have also been contaminated, according to Oman's Environment Authority, which has been keeping an eye on the leak.

Oman battles a 390 sq km oil slick from the grounded Caroline Bezengi, using satellites, aircraft and marine surveys to track pollution and protect sensitive coasts.

The Caroline Bezengi's crew first reported difficulties on June 8 off the southern Yemeni port of Mukalla, two maritime security sources said, adding that initial assessments…

Leak area widens after unexplained blast on sanctioned Caroline Bezengi