Indonesian authorities claim to have thwarted a plot by a 19-year-old high school student, identified as 'H.O.K', to carry out suicide bombings at two churches in East Java.

Arrested on 31st July, H.O.K. was allegedly a supporter of the Philippines-based Dawlah Islamiyah, an ISIS-affiliated group, and planned to use Triaceton Triperoxide (TATP) explosives, known as the "Mother of Satan" as it is one of the most powerful and dangerous explosives.

Anti-Terror Special Detachment 88 spokesperson Aswin Siregar said in a statement, seen by The Christian Post, that the suspect is a "supporter of ISIS or Dawlah Islamiyay". 

He also revealed that the suspect had been radicalised online through propaganda websites and social media.

H.O.K. allegedly financed the bomb materials with savings from his school allowances. His parents were also arrested, although there were no explosives found in their possession. 

The family, originally from Jakarta, had rented a house in Batu, where they remained largely secretive, according to local residents. Police continue to investigate potential connections to other ISIS networks. 

Some 83.3 per cent of the Indonesian population is Muslim, and the country is ranked 42nd on Open Doors’ World Watch List of countries where Christians face the most persecution.