The Minister of Civil Aviation, Hichem Abu Chkiouat adds that the number of the dead is expected to rise, and may even double.
Streets are covered in mud and rubble and are littered with upturned vehicles.
The floods burst two dams in the eastern coastal city and swept away homes.
The port city of Derna, where Storm Daniel caused two dams to burst, has been most-impacted, with 30,000 residents currently displaced.
According to the UN agency International Organization for Migration, at least 34,000 people in Libya’s flood-hit areas have been swept out of their homes.
The organization said they needed shelter and non-food items, but that getting help to the affected families was challenging as most roads in the region remain flooded, obstructed or destroyed.
Libya is divided between two rival governments, with one operating from Tripoli and another one in the east.
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