The UN has condemned a Taliban raid on a guest house in Kabul that killed six of its employees and vowed it would not deter its work in Afghanistan. The World's Aaron Schachter has stayed in the Kabul neighborhood in which the attack took place.
In Afghanistan, it is hard to paint a picture of what decades of war and unrest have done to the country. The BBC has chosen to try, by traveling Highway 1 - the two-lane road that, in better times, would connect two-thirds of all Afghans.
Anchor Marco Werman speaks to the BBC's Alistair Leithead about the threat posed by the Taliban in parts of Afghanistan, where Taliban forces have regrouped in sufficient numbers to pose an increasing threat to NATO-led forces in the country.