Members of the terror network uncovered in Aceh recently had planned to attack the Independence Day ceremony next August 17 - an event usually attended by the president, National Police Chief General Bambang Hendarso Danuri said.
Speaking at a press conference here on Friday, Danuri said the police learned about their plan from documents confiscated from terror suspects arrested in Bekasi, West Java, and in Sukoharjo, Central Java, on Wednesday and Thursday.
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"They planned to attack all officials attending the ceremony. All the state officials at the event would be killed, including state guests," he said.
For the purpose, the terror group had assigned a suspect named Suhardi alias Usman to take 21 firearms including a grenade launcher.
He said after the attack was successfully carried out and all state officials were killed, they would replace the country`s democratic system with a system of their choice.
Coordinating Minister for Political, Legal and Security Affairs Djoko Suyanto who also attended the press conference meanwhile said what the national police chief had disclosed was not fabricated but based on the results of research, study and interrogation of suspects.
"The government has not manipulated the information. We must not consider it as a mere unfounded rumor," he said.
He said the government held the principles that they had better increase alertness including among heads of neighbourhoods.
Djoko called on all community figures to care about their neighbourhoods to narrow the room of movement of terrorist suspects.
"It would be better if they would report any suspicions they saw in their neighbourhoods to the police. Prevention is far better than acting while the incident has occurred," he said.
The case of terrorist network emerged after the police uncovered military training activities in Jantho forests in Aceh Besar in February 2010.
From there the police made a chase on the suspects involved in the activity and had arrested some of them in Medan, North Sumatra, Tangerang in Banten, Jakarta, Bekasi in West Java, Karawang also in West Java and Solo in Central Java.
Among those seized was Dulmatin who was killed during a raid in Pamulang, Tangerang.
The police have so far been able to seize alive 58 suspects and killed 13 others and confiscated 16 firearms and thousands of rounds of ammunition from them. Three police members had been killed during the operations against them. (ant/dar)