Yemeni forces fire Scud missile at Saudi Arabia

By Noah Browning and Mohammed Ghobari DUBAI/SANAA (Reuters) - Yemen's dominant Houthi group and its army allies fired a Scud missile at Saudi Arabia which the kingdom says it shot down on Saturday, in a major escalation of two months of war. The area is home to the largest air force base in southern Saudi Arabia, the world's top oil exporter, but there are no oil facilities in the vicinity. An alliance of Gulf Arab nations has been bombing Yemen's Houthi militia and allied army units loyal to po