On Aug. 17, the STC forces withdrew from a number of seized government institutions including the country's central bank, the supreme judicial building and the cabinet headquarters following mediation efforts led by the Saudi-led Arab coalition.

But the STC forces refused to vacate military bases of the government and vowed to seize all the country's southern regions including the country's southeastern province of Hadramout.

According to a statement by the United Nations Humanitarian Coordinator in Yemen Lise Grande, scores of civilians have been killed and wounded since Aug. 8 when fighting broke out in Aden.

"Preliminary reports indicate that as many as 40 people have been killed and 260 injured," the statement said.

Considered as Yemen's temporary capital, Aden is where the Saudi-backed Yemeni government has based itself since 2017.

The impoverished Arab country has been locked in a civil war since late 2017, when the Houthis overran much of the country and seized all northern provinces including the capital Sanaa.

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