ADEN, Yemen, Dec. 26 (Xinhua) -- Yemen's Presidential Leadership Council (PLC) Chairman Rashad Al-Alimi called on the Saudi-led coalition on Friday to take "necessary military measures" to protect civilians in the southeastern province of Hadramout, as tensions with the Southern Transitional Council (STC) escalate, state media reported. Al-Alimi made the remarks following a briefing on what Yemeni officials desc