Is the climate crisis to blame? The city of Derna has been left devastated after heavy rains destroyed two dams. But some experts say there is more to the disaster than weather.
Libyan flood sweeps entire streets into sea
Disaster aftermath: The Derna flood waters covered 220 acres and were up to 10 feet deep. Glossary
Torrent - An overwhelming outpouring.
Cyclone - An area of low atmospheric pressure accompanied by strong winds.
Mediterranean - A sea connected to the Atlantic Ocean. It has the shores of Europe on one and the shores of north Africa on the other, as well as shoreline in Asia.
Civil war - A war between people from the same country.
Colonel Gaddafi - Muammar Gaddafi ruled Libya from 1969 until his assassination in 2011.
Tripoli - The capital city of Libya.
Infrastructure - The basic systems and services that a country needs to keep it going.
Wadi - A valley or ravine that is dry unless there is exceptional rain. Used in some Arabic-speaking countries.