According to the regional police chief Inspector General Machfud Arifin, the victims of the blast might have been planning to conduct similar attacks as the one perpetrated at the churches, but the bomb(s) exploded prematurely.
地方警察总监马赫福德（Machfud Arifin）将军表示，爆炸受害人可能同样计划在教堂发动类似的袭击，但炸弹提前引爆了。