Water engineering experts have told the BBC it is likely that the upper dam, around 12km (eight miles) from the city, failed first – its water sweeping down the river valley towards the second dam, which is estimated to be about one kilometre from the low-lying part of Derna, where neighbourhoods were inundated.
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Source link : https://www.bbc.co.uk/news/world-africa-66785466?at_medium=RSS&at_campaign=KARANGA
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Publish date : 2023-09-12 16:00:56