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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Libya floods: Derna city looks like a tsunami hit it – minister- Libya floods: Derna city looks like a tsunami hit it – minister * Libya floods: Derna city looks like a tsunami hit it – minister | Libya floods: Derna city looks like a tsunami hit it – minister | Libya floods: Derna city looks like a tsunami hit it – minister | Libya floods: Derna city looks like a tsunami hit it – minister | Libya floods: Derna city looks like a tsunami hit it – minister | Libya floods: Derna city looks like a tsunami hit it – minister | Libya floods: Derna city looks like a tsunami hit it – minister | Libya floods: Derna city looks like a tsunami hit it – minister | | Libya floods: Derna city looks like a tsunami hit it – minister | | Libya floods: Derna city looks like a tsunami hit it – minister | | Libya floods: Derna city looks like a tsunami hit it – minister |
