"So far, 19 people have been questioned in connection with the explosion at Oikumene Church yesterday," 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.
A police team led by Adjunct Senior Commissioner Maruli was seen studying the scene of the attack from 3.30pm to 6.20pm.
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. One of them Intan Olivia Marbun, a two and a half years old girl, died on early Monday morning 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.(*)