ADEN, Jan. 12, 2019 (Xinhua) -- Photo taken on Jan. 12, 2019 shows heavy smoke at a state-owned oil refinery company in Aden, Yemen, on Jan. 12, 2019. A huge fire broke out on Friday evening at the state-owned oil refinery company in Yemen's southern port city of Aden, causing no casualties. (Xinhua/Murad Abdo/IANS) by .
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