LONDON, ENGLAND - DECEMBER 17: Jago Kahn, 6, from London and other members of the Pakistani community and local people hold a candlelit vigil at the Pakistani High Commission on December 17, 2014 in London, England. Pakistan army chief General Raheel Sharif and Afghanistan president Ashraf Ghani vowed to fight 'terrorism and extremism' together, a day after Taliban militants killed 141 people, mostly school children at a Peshawar school in Pakistan. (Photo by Dan Kitwood/Getty Images)
