Pakistan buries 24 troops killed in Nato airstrike

Pakistan has buried 24 of its troops who were killed in a Nato airstrike at a checkpoint on the Afghan border.

Army chief General Ashfaq Pervez Kayani led mourners in funeral prayers at military headquarters in the north-western city of Peshawar.

The incident on Saturday has heightened already tense relations between Pakistan and the US and Nato.

David Campanale reports.