Saudi Arabia's King Salman has designated his crown prince to attend a Gulf Arab summit with U.S. President Barack Obama, the state news agency, SPA, reported on Sunday. Foreign Minister Adel al-Jubeir announced that Crown Prince Mohammed bin Nayef would head the delegation...

Iranian-allied Houthi fighters in Yemen accepted on Sunday a five-day humanitarian ceasefire proposed by adversary Saudi Arabia but warned they would respond to any violations. Neighboring Saudi Arabia had said on Friday that the ceasefire could begin on Tuesday if the Houthi...

The Saudi-led coalition said on Saturday it had hit Yemen with 130 air strikes over the previous 24 hours, and a senior UN official said some attacks violated international law. The coalition of Arab states had called on civilians to evacuate Saada, the city in northern Yemen...

The United States and its Gulf allies will try to agree on new security measures at a summit in Washington next week to guard against destabilizing actions by Iran in the region, U.S. Secretary of State John Kerry said on Friday. The West hopes to secure a nuclear deal with Tehran by an...