Sent_en: 2zh Few official details have been released by the investigation and unofficial reports in the press have been contradictory; one report suggested a suicide bomber wearing a plastic explosive-based shrapnel bomb belt.
Sent_yy: 调查发布的官方细节很少，新闻界的非正式报道也是矛盾的。一份报告显示，一名自杀式炸弹袭击者身穿塑料炸药弹片制作的炸弹带。