Houthis fire on Saudi oil sites; no US strike on Iran for first time in two weeks

* Reports of damage to Saudi oil depot as air defences intercept missiles from YemenHouthis fire on Saudi oil sites; no US strike on Iran for first time in two weeks* Lull in Gulf fighting, with no US attacks on Iran for first time in two weeks* Houthis' entry into conflict threatens to reignite Yemen's civil warBy Lefteris Papadimas and Idrees AliATHENS/WASHINGTON, - Yemen's Iran-aligned Houthi militants fired on Saudi oil installations in two ports on the Red Sea coast on Saturday, but the U.S. held back from launching air strikes on Iran for the first night in two weeks.Washington gave no immediate explanation of why it had abruptly halted a streak of 13 nights of escalating strikes in retaliation for Iranian attacks on shipping in the Strait of Hormuz since an interim deal to end hosti