A Saudi Arabian tugboat was seized by Yemen's Iranian-backed Houthi rebels on Sunday, according to the state-run Saudi Press Agency SPA.
An abandoned tanker loaded with oil is threatening a major environmental disaster near the coast of Yemen, the United Nations has said, amid expert warnings of a "catastrophic" explosion.
Mystery still surrounds Iran's surprise naval exercises in the strategic Strait of Hormuz this week, but no one here is ignoring it.
In small groups they trudge along the desolate desert road, young men and some women, from Somalia and Ethiopia. Some carry plastic bags with snacks, plastic water bottles, an extra scrap of clothing.