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Yemeni rebels attacked pro-government forces in the eastern Marib province, killing 15 fighters, military sources and medics said Tuesday, the first day of a ceasefire called for by the United Nations. 
The Iran-backed rebels “violated the truce” and attacked positions in Mas, in province’s west, killing 15 people and wounding 20 more, a loyalist military source told AFP.
Medical sources in Marib confirmed the toll.
source: AFP
