Iran-backed Houthi rebels claimed a missile strike on Saudi Arabia on Saturday, hours after vowing to retaliate against the kingdom for attacks as the Middle East war expanded. Advertisement AdvertisementAdvertisement AdvertisementThe rebels had accused Saudi Arabia of a "dangerous escalation" and said its actions "will not go unanswered". Saudi Arabia did not immediately comment on the claim. The Houthis claimed attacks on two Saudi ships earlier this week, with Saudi Arabia confirming one of the attacks in the Red Sea. Red Sea access has become vital for Saudi Arabia to keep shipping oil as traffic in Hormuz is disrupted.