Speaking at a pressconference, national police spokesman Gen. Dedi Prasetyo said at least foursuicide bombers had prepared for the attacks using high-explosive bombs made ofvarious substances, including a potent toxin called abrin which could pose asevere threat to public health and safety.
Dedi said these bombs aredifferent from those usually assembled by terrorist groups and could kill 100people with less than 0.7 micrograms.
Since September, the elitecounterterrorism unit Detachment 88 has arrested 27 terrorist suspects. All ofthe suspects are members of Jamaah Ansharut Daulah, or JAD, a Muslim militantnetwork linked to Islamic State.
JAD staged several terroristattacks in Indonesia, including the multiple suicide attacks in East Java andRiau provinces in May 2018, and suicide strikes in a police station andStarbucks Cafe in the heart of Jakarta that killed eight people in January2016./.