Pakistani civil society activists and Shiite Muslims hold placards and candles during a protest in Lahore on February 13, 2015, against an attack by Taliban militants on a Shiite Muslim mosque in Peshawar. Heavily-armed militants stormed a Shiite mosque in Pakistan February 13, killing at least 16 people in an attack claimed by the Taliban as revenge for the execution of one of their cadres. AFP PHOTO/ ARIF ALI (Photo credit should read Arif Ali/AFP/Getty Images)
