The battle for Kunduz raged for a third day on Wednesday.<br /><br /> But as Afghan government forces try to retake the city that has fallen to the Taliban, they are struggling to keep the militants out of the airport.<br /><br /> Despite US airstrikes and reports of NATO special forces being deployed, this counter-attack does not look to be going according to plan.<br /><br /> The capture of Kunduz on Monday marked the insurgents’ biggest victory since the US invasion 14 years ago that toppled the Taliban government.<br /><br /> Kunduz is the most important town to have fallen to the insurgents since 2001: http://t.co/5ELXLgx7iZ pic.twitter.com/aAQD7v9oSw— The Economist (@TheEconomist) 30 Septembre 2015<br /><br /> Civilians who have fled to the airport, hoping they would be safe there, have now found themselves in the midst of a war zone.<br /><br /> Afghan crisis grows as counterattack fails; airport besieged http://t.co/gmA9sXtN9u pic.twitter.com/rcAsdjUrKE— The New York Times (@nytimes) 30 Septembre 2015<br /><br /> Pressure meanwhile is piling on P