An American soldier in Afghanistan scanning the field
Media playback is unsupported on your device
Video

US troops withdrawal from Afghanistan: What you need to know

US President, Barack Obama, recently decided to withdraw thousands of American troops from Afghanistan by 2013.

According to the UN, however, in the last months the number of casualties has increased.

BBC's Afghan editor, Lutfullah Latif, explains the possible implications for the country without the support of American troops .