Anti-terrorist squads stand guard outside the bombing site at Santa Maria church in Surabaya, capital of Indonesia's East Java Province, May 13, 2018. Six people were killed and at least 35 others injured as suicide bombers blew themselves up during congregations in three churches in Surabaya on Sunday, provincial police spokesman Frans Barung said. The blasts took place in Santa Maria church, Gereja Kristen Indonesia church and Pentecostal church. (Xinhua/Kurniawan)