Jakarta attacks: Suspect Bahrun Naim 'not involved' - brother

Indonesian police say they are investigating links between those responsible for the Jakarta terror attacks and other militant networks in the archipelago.

Authorities have been quick to point the finger at one man believed to be in Syria, Bahrun Naim, as the suspected coordinator for the assault.

He is believed to be from the Indonesian town of Solo.

The BBC's Karishma Vaswani went there to find out why some young Indonesians are becoming radicalised.

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