Ahmad 
Insurance companies have raised fees on US, British and Israeli ships crossing the Red Sea by up to 50%, while some insurance providers avoid covering such ships because the Houthi group targeted ships belonging to these countries, informed sources said.
Houthi attacks since November have slowed trade between Asia and Europe and caused great concern among major industrialized nations.
Many companies have rerouted their ships to orbit South Africa.
In one of the most serious incidents, a British-based tanker whose cargo belonged to global commodity trading company Trafigura was hit by a rocket that caused a fire on board.