There were no details about any possible casualties among Afghan security forces.

President Hamid Karzai announced the handover to Afghan security forces in July.

Corruption has hindered the building of state institutions, including the Afghan security forces.

Gates said he had confidence in Karzai, his government and Afghan security forces.

He must know Afghan security forces need Nato's help for now.

Afghan security forces and a Japanese construction project are also in the area.

In Afghanistan, our troops have taken Taliban strongholds and trained Afghan Security Forces.

This allows McChrystal to focus on strategy, diplomacy and training Afghan security forces.

The suicide attacks targeted Afghan security forces, the group's spokesman said.

It said the coalition troops were on a patrol with Afghan security forces.

Afghan security officials in Kabul were not immediately available for comment.

The Afghan security official had earlier described the target as a Swiss convoy.

Here are some questions and answers about the Afghan security forces.

Camp Shorabak Afghan security forces also have their own compound - Camp Shorabak.

Afghan security forces have been hit even harder than foreign troops.

What about the will of the Afghan security forces to fight?