Britain could be dragged back in to an “unwinnable war” in Afghanistan, the families of veterans have warned, as new evidence suggested the SAS are fighting there.
A senior Nato officer said UK troops were helping their Afghan counterparts at a tactical level but he insisted that it was the Afghan army who were doing the fighting.
US General Wilson Shoffner said: “In Helmand the British contribution is part of a larger Nato expeditionary advisory effort.