LAHORE, PAKISTAN - MARCH 17: Pakistani people hold candle light vigil in Lahore, Pakistan, on March 17,2015, in memory of the victims of suicide attacks on Churches. Twin blasts rocked the Roman Catholic Church and Christ Church in Lahore's Youhanabad area. At least 21 people were killed and many others wounded Sunday in twin suicide bombings outside two churches during weekly prayer services. (Photo by Amjad Ali/Anadolu Agency/Getty Images)