An Indonesian anti-terror policeman stands guard at the blast site following a suicide bomb outside a church in Surabaya on May 13, 2018. - A wave of blasts including a suicide bombing struck outside churches in Indonesia, killing at least six and wounding dozens of others, police said, the latest assault on a religious minority in the world's biggest Muslim-majority country. (Photo by JUNI KRISWANTO / AFP)        (Photo credit should read JUNI KRISWANTO/AFP/Getty Images)