A wave of Houthi attacks on Saudi Arabia wound more than 70 people and ignite fires at several oil facilities and utilities in the kingdom’s southern region, authorities say. ↧ Houthi attacks on Saudi Arabia ignite fires at oil facilities and w... The attacks come after weeks of escalating clashes between the important U.S. ally and the Iranian-backed rebels in Yemen, which shattered a four-year truce in the country’s civil war.