Grief etched into her face, 15-year-old Ibrar struggled to find the words to describe her pain at the loss of three friends in the huge flood that shattered her Libyan hometown."We will never forget that day in Derna," she said, while trying hard to remember how her father managed to save her along with her mother and five siblings.In her hospital bed, she recounted the horrors of the disaster that killed thousands of people. "The number is huge," she said. "There were corpses on the ground. The cars were piled on top of the bodies."