On the frontlines in Swat valley

Pakistan's military operations against militants in the north west of the country are a key test for the government.

It has declared that the offensive in the Swat valley is almost over but many say that is optimistic.

Panorama's John Sweeney has been given unprecedented access to the Pakistani army's offensive in Swat.

Panorama: Battle of Swat Valley, BBC One, Monday, 22 June at 8.30pm.