Libya was reeling Wednesday from a massive flood disaster that killed at least 2,300 people when a surge of water devastated the eastern city of Derna, leaving another 10,000 missing according to the Red Cross.Oil-rich Libya is still recovering from the years of war and chaos that followed the NATO-backed uprising which toppled and killed longtime dictator Moamer Kadhafi in 2011.Rescue teams from Turkey have arrived in eastern Libya, authorities said, and Algeria, France, Italy, Qatar and Tunisia also pledged to help.