The spokesman for the Saudi-led coalition targeting Yemen’s Shiite rebels in airstrikes since March says the coalition is not bound by a new truce deal. Saudi Brig. Gen Ahmed Asiri’s comments, posted Saturday on the website of the semi-official Saudi newspaper al-Riyadh, cast doubt over the fragile truce that begin at midnight Friday. Asiri said the coalition is not interested in a unilateral truce, calling it “counterproductive.” He added that the coalition is not bound to it because of a lack of commitment by the Shiite rebels known as Houthis. He called for U.N. observers on the ground to monitor for violations.