One would not want to be the governor of Sarposa prison in Kandahar, southern Afghanistan, just at the moment. To lose one Taliban prisoner may be regarded as a misfortune; to lose 475 looks like carelessness. Perhaps Easter Mondays are especially sleepy in Afghanistan, but to allow the Taliban to spend five months digging a 320-metre tunnel, and then four and a half hours getting the entire political wing of the prison through it and into a fleet of waiting cars does look like an Everest among security lapses.
But where does it rate among the great prison escapes? We have assessed the most memorable prison breaks of all time and given them marks for ingenuity, daring, degree of difficulty and myth-making. The top mark in each category is 25. On this system,