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Libya flood: Satellite images and aerial photographs show destruction

Getty Images Aerial view of Derna and destruction caused by floodwaters after dams burstGetty Images

Satellite images show the scale of destruction in the Libyan port of Derna after floodwaters swept away bridges, streets and communities - leaving thousands of people missing or dead.

Heavy rains brought by Storm Daniel at the weekend caused two dams to burst on the usually dry Wadi Derna riverbed running through the city. The torrents of water and debris left a trail of devastation.

A series of bridges had crossed the Wadi, connecting the port area with the western side of the city. The waters - which one official described as "like a tsunami" - swept away the bridges and whole blocks of buildings along the river including multi-storey residential blocks, government buildings and a large mosque.

Central bridges and communities along riverbed were swept away

In the nearby neighbourhood of Al-Eilwa, around 96% of properties were reported to have been flooded.

Many properties which stood near the river have disappeared, leaving only their foundations visible.

Annotated photo illustrating how buildings near the river have been washed away.

A major coastal road near the port has collapsed into the sea.

Satellite images shows coastal road before and after the flood
MARWAN ALFAITURI Aerial image of the mouth of the river showing the destruction.MARWAN ALFAITURI

Derna's population was around 200,000 before the storm hit Libya.

The city's mayor said that given number of neighbourhoods completely destroyed, between 18,000 and 20,000 people may have died.

Thousands are also injured or missing, with many more left without anywhere to live.

Analysis shows damaged and destroyed buildngs and infrastructure

Analysis by the UN shows more than 2,200 buildings were exposed to rushing floodwaters and at least six bridges were damaged as well as the port area. Each red dot in the picture above represents one structure hit by flooding.

Severely affected neighbourhoods such as Al-Bilad and Al-Maghar on either side of the river were also home to healthcare facilities used by people from across the city, according to disaster analysts Reach.

Homes built in the dry riverbed on the sea side of the dam bore the brunt of the flood as the dams burst.

Satellite image shows dam and buildings on usually dry riverbed

Hamad Shalawi, a former local official and member of the disaster committee, said the city was destroyed in seconds with whole families killed as residential buildings disappeared.

"The geography of the city has completely changed as half of the city has been swept into the sea," he told BBC Arabic.

Community facilities, including buildings around Darnes Football Club's home ground, were also destroyed or covered in layers of mud and debris.