Intan died on Monday (Nov 14) at Abdil Wahab Sjahranie General Hospital in Samarinda. She was among the victims of the bomb attack on a church in Samarinda.
"This terror act crossed all bounds of humanity," Joko Widodo lamented during his visit to a school of army officer candidate here on Tuesday.
The president remarked that violence and terrorism were global challenges being faced by many countries.
Following the Samarinda attack, President Joko Widodo has instructed the district military command (Kodim) and military command posts (Korem) throughout Indonesia to take all security measures.
The government is struggling to maintain peace in the community.
In his remarks, the president underlined the challenges posed by radicalism, poverty, unemployment and inequality among people.
"The Indonesian military should anticipate any threats to global economy and geopolitics, competitiveness and ease of doing business," the president stressed.
During the visit, the president was accompanied by Coordinating Minister for Political, Legal and Security Affairs Wiranto, Cabinet Secretary Pramono Agung, Indonesian Military Commander Gen. Gatot Nurmantyo, and Army Chief of Staff Gen. Mulyono.
The Indonesian police had earlier questioned 19 people in connection with a Molotov cocktail attack on Oikumene Church in Samarinda, East Kalimantan, on Sunday.
"So far, 19 people have been questioned in connection with the explosion at Oikumene Church," the chief of the East Kalimantan regional police command, Inspector General Safaruddin, told newsmen here on Monday.
Several houses in various locations in Samarinda have also been searched, including the suspects house behind the Mujahidin Mosque on Jalan Cipto Mangunkusumo RT 04, Sengkotek village, in the sub-district of Loa Janan Ilir, he added.
He stated that the police took away a number of people for questioning as witnesses in connection with the bomb attack carried out by Juhanda, formerly convicted in a bomb attack in Puspitek, Serpong, South Tangerang in Banten province, West Java, and a book bomb incident in Jakarta in 2011.
"Only one person has been arrested so far and he is the suspect while others have only been questioned as witnesses. Investigation is still going on, including about the type of bomb used in the attack," he disclosed.
Four motorcycles were damaged in the bomb explosion, including the one used by the suspect.
Five people were wounded in the incident including four children, all under the age of five years. Among them was Intan Olivia Marbun, the two and a half years old girl who died on Monday in the hospital where she was admitted with 78 percent burns. Another victim, Triniti Hutahaya, was still in a critical condition.
Juhanda was caught by villagers while trying to escape by jumping into the Mahakam river.
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