The United Nations is warning that time is running out for a derelict oil tanker which has been stranded off the west coast of Yemen for five years
Both the Yemeni government and Houthi fighters lay claim to its valuable cargo - and neither side is willing to budge.
But Houthi authorities have promised to allow a UN team of engineers to access the tanker to prevent a giant oil spill.
Al Jazeera's Laura Burdon-Manley reports.
