Elite Indonesian anti-terror police from Densus 88 escort four Turks arrested on arrival at Jakarta airport on Sept. 14, 2014. The four Turkish nationals were arrested in Sulawesi island and are suspected to be linked to the jihadist Islamic State group, police spokesman said. BIMA SAKTI/AFP/Getty Images
JAKARTA—Indonesian authorities arrested nine men suspected of having links to a terrorist network loyal to ISIS and planning a series of attacks on police posts, said a police spokesman.
Counter-terrorism police have grappled with a recent resurgence in homegrown radicalism in the world’s largest Muslim-majority country, inspired by the extremist group ISIS.