Pakistani army soldiers take part in search operation at the Bacha Khan university following an attack by militants in Charsadda, about 50 kilometres from Peshawar, on January 20, 2016. At least 21 people died in an armed assault on a university in Pakistan on January 20, where witnesses reported two large explosions as security forces moved in under dense fog to halt the bloodshed. AFP PHOTO / A MAJEED / AFP / A Majeed        (Photo credit should read A MAJEED/AFP/Getty Images)