Repeated Israeli strikes on Yemeni ports held by Houthi rebels have had little effect on the operations there, satellite images indicate. Fuel shipments at ports controlled by the Iran-backed group have continued despite disruption to pipelines,

The search for those missing after Yemen's Houthi rebels sank a ship in the Red Sea has ended as at least four people are presumed dead and 11 others remain unaccounted for, the private security firms involved said Monday.

Commercial ships are broadcasting messages about their nationality and even religion on their public tracking systems to avoid being targeted by Yemen's Houthis.