A family of six, including a nine‑year‑old girl, were behind a wave of blasts targeting three churches in Indonesia's second city of Surabaya.
At least 13 people died in Sunday's bombings, which the Islamic State group has claimed.
The mother and two daughters blew themselves up at one church, while the father and two sons targeted two others.
The family had recently spent time in Syria, according to the police.
The bombings are the deadliest in Indonesia since 2005, and they have also left dozens of people injured.
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