The UK’s Prince Harry should be tried before an “international court” after he said he killed 25 people during his stint with the British army in Afghanistan, a senior Taliban official has said. The prince has revealed in his autobiography Spare that he flew on six missions during his second tour in Afghanistan as an Apache helicopter pilot in 2012, and admitted to being responsible for the deaths of 25 Taliban fighters. Taliban spokesperson Khalid Zadran reacted with fury when the revelations came to light on Thursday. “Prince Harry will always be remembered in Helmand – Afghans will never fo…