BBC NEWS | South Asia | Pakistan progress on Afghan fence: "Pakistan says it has completed work on the first section of a controversial fence on the Afghan border aimed at restricting Taleban militants.
Afghan and Nato troops in Afghanistan have repeatedly complained of attacks from across the border.
Reports say more than 1,000 people have died in militant attacks in Afghanistan this year.
The Afghan government has expressed doubts that the fence will be effective and disputes its positioning."