Al Jazeera. Fighting escalates in Yemen’s Marib and al-Jawf, as UN agency says more than 340,000 Yemenis displaced since August. The Eastern Province, the economic powerhouse of Saudi Arabia, has been subject to multiple attacks by Houthis. Nov 15 (Reuters) - The Saudi-led coalition fighting Yemen's Iran-aligned Houthis said on Sunday it had intercepted two Houthi ballistic missiles launched towards the Saudi capital Riyadh and.