Ten people have been rescued from the Red Sea after their ship sank near Yemen following an attack by the Houthis, according to the European Union’s maritime security mission, with several others believed to be being held by the rebel group.

Rescuers have found four more crew members from the ship Eternity C, which Yemen's Houthi rebels sank in the Red Sea.

Oil prices were steady on Wednesday as investors weighed strong U.S. gasoline demand data and attacks on shipping in the Red Sea, while U.S. copper tariffs loomed.

Germany said its aircraft was in the middle of a routine flight in support of the European Union's counter-Houthi mission.