But relatives of Afghans named in the leak told the BBC that they fear for their family still in the country, with one saying efforts by the Taliban to find their named relative intensified following the leak. An MoD spokesperson said: "It's longstanding policy of successive governments to not comment on special forces.

On the face of it, the Afghan data breach is very bad indeed.

The incident ranks among the worst security breaches in modern British history because of the cost and risk posed to the lives of thousands of Afghans, some of whom fought alongside British forces un...