. >>> i'm lyse doucet in kabul. as afghans prepare for this historic moment, choosing a leader to replace hamid karzai. >> the seven for the missing malaysian airliner deploys under water scanning equipment in a different part of the southern indian ocean in an effort to find the plane's flight recorder. fears that the ebola virus may have spread to another country in africa, mali. we chart the deadly path of this latest disease. >> aaron is here. aaron, a possible change right at the top for africa. >> i'll tell you what, watch out, south africa. nigeria is on the rise. nigeria releases its economic growth numbers. we've got a special report. >> hello and welcome to "gmt". it's midday in london, 7:00 a.m. in washington, 3:00 p.m. in afghanistan where nearly 400,000 military personnel are out in force across the country in the run-up to tomorrow's elections. security is a major issue. it is a significant period for afghanistan. it will be the first democratic transfer of power in the country's history. a new generat