The last remaining British troops have been evacuated from Afghanistan, bringing the UK's two decades of military involvement in the country to a close. Video and pictures from inside military aircraft shared online by The Parachute Regiment and the Ministry of Defence last night showed exhausted British troops leaving Kabul ... In a bid to put a positive gloss on Britain's hasty retreat, the Prime Minister vowed to 'use all the diplomatic and humanitarian tools at our disposal to preserve the gains of the last 20 years'. Government sources insisted Britain's absence from the war-ravaged country was only temporary.... ...Operation...