Suicide bombings carried out by a family with links with the so-called Islamic State struck three churches in Surabaya, Indonesia's second city on May 13.
The first bombing was carried out on the Santa Maria Catholic Church. The second bomb attack was at the Diponegoro Indonesian Christian Church and the third was at the Surabaya Central Pentecost Church.
The attacks killed at least 13 people and left more than 40 injured.
(Photo by Ryan Dagur/ucanews.com)