REPUBLIKA.CO.ID, JAMBI -- The Jambi police has arrested a youth found keeping in his house attributes including flag of the Islamic State of Iraq and Syria (ISIS).
Police arrested Novaldi (18) on report from his own father, Jambi police chief Brig.Gen.Bambang Sudarisman said here on Tuesday.
Bambang said Novaldi's father reported to police that Novaldi had threatened to hurt him with sharp weapon and held his younger son hostage.
Novaldi threatened his father Mulyadi (47) and his younger brother Maulana (6), who was held hostage at the family's foodstuff store in the sub-district of Sijenmjang, East Jambi.
The incident began when Novaldi asked his father for Rp300 million , but when his father asked what the money for Novaldi took a a machete and attacked his father and locked his younger brother in a room of the store.
Mulyadi, then ran to police and reported the incident.
Novali is now at police detention for further investigation.
Police found a number of ISIS attributes including ISIS flag, an AK-56 replica , and a long knife,a sweater written in Arabic language , a book on jihad war , etc.
Muladi said Novaldi had changed lately refusing to communicate with his family members.
Indonesia has declared war against ISIS after ISIS threatened to kill a number of Indonesian leaders.
Last Saturday, the country's police's anti terror squad arrested six people allegedly assisting and financing recruitment of Indonesians to travel to Syria to join ISIS there .
The six were arrested in in Jakarta, Tangerang and Bekasi at the same day , but only four were actively involved in the recruitment, police said.
The four identified as Aprianul Henri, Engkos Koswara, Fachry and Muhammad Amin Mude funded and recruited Indonesians wanting to join ISIS and prepared Islamic state propaganda, police spokesman Sr.Comr Rikwanto said.
Turkey is detaining 16 Indonesians arrested on thated country's border with Syria and 12 of them would be repatriated to Indonesia, head of the State Intelligence Agency Marciano Norman said.
Meanwhile another group of 16 Indonesians are missing in Turkey believed to have cross to Syria to join ISIS.
Around 500 Indonesians have been reported to have joined ISIS in Middle East.