Video | How did the Derna disaster happen?

Weather of Arabia - Sinan Khalaf - As the hours pass, the numbers of victims of the Derna flood double, as the last number announced by the official authorities reached 5,200 deaths and approximately 10,000 missing people, with expectations that these numbers will double in the coming hours and days, in light of the disappearance of entire neighborhoods from the face of the map.

Amid this tragedy, questions are increasing about the reason for the fall of such a large number of victims in the city of Derna, and why was the disaster in Derna more severe and larger than in other regions? These questions are answered in the attached video: