A secret Nato report obtained by the BBC says there is widespread collaboration between the Taliban and the military and police in Afghanistan.

The document is based on information from thousands of interviews with prisoners.

It claims that members of the Afghan government are joining the Taliban and the insurgents are receiving direct help from Pakistan.

Sami Sadat, former adviser to Afghanistan's interior minister, gives his analysis of the leaked report.

Get in touch with Today via email , Twitter or Facebook or text us on 84844.