Indonesia police arrest three suspected of links to Jakarta bombing

The Islamic State group has claimed responsibility for a twin suicide bombing at a Jakarta bus terminal that killed three policemen. AFP

The Islamic State group has claimed responsibility for a twin suicide bombing at a Jakarta bus terminal that killed three policemen. AFP

Indonesia's elite anti-terrorism squad launched an investigation into the twin suicide-bomb attack in Jakarta that killed three policemen in an assault authorities believe was linked to ISIL.

Indonesian police made three arrests on Friday in Bandung related to the attacks and said they had seized Islamic teachings, phones and other items during the raids, Yusri Yunus, head of public relations at West Java Police, said. Only their initials and aliases were given.

Double bomb attacks occurred at the Transjakarta bus station in the Kampung Melayu area, east of Jakarta on May 24, killing three police officers and wounding 12 people.

The attacks on Wednesday night, which also injured 11 others, including six policemen, were carried out by suicide bombers, identified later as Ichwan Nurul Salam and Ahmad Sukri, both 31.

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Police said they believed there was a link between the attackers and Islamic State of Iraq and the Levant (ISIL, also known as ISIS), without giving further details.

Police officers search a house after a raid in Bandung, West Java, Indonesia, Friday, May 26, 2017.

Police were investigating if they have links to Jemaah Anshorut Daulah, or JAD, a network of nearly two dozen Indonesian extremist groups that formed in 2015 and pledges allegiance to Islamic State group leader Abu Bakr al-Baghdadi.

The attack that took place Wednesday was the latest assault to hit the Muslim-majority country as it struggles with a surge of terror plots. Police had earlier given a different spelling of Salam's name and said he was a different age.

IS claimed responsibility through its propaganda agency Amaq late Thursday.

JAD, which was classified as a terrorist organisation by the US State Department in January this year, was formed in 2015 and is based in Indonesia.

"We wanted to look for instructions at that location, or evidence. linked to the Kampung Melayu incident", said National Police spokesman Martinus Sitompul.

Police say that Jajang had an active administrative role in raising donations to help fund radical Islamic boarding school Darul Anshor in Poso, Central Sulawesi.

He said police have foiled at least two attempted attacks by the group.

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