Terrorist groups claimed responsibility for the shootings and bombattacks.
恐怖主义组织声称对这几起枪击和爆炸事件负责。
《牛津词典》
2
The wave of petrol bombattacks is more likely a ruse orchestrated by the police as part of the king's renewed repression of political opposition and civil society.
这一波的汽油炸弹袭击可能是国王对反对派政敌和民间社会新一轮压迫的一部分，是由警方精心策划的诡计。
3
It is also quite possible that the expertise in bombattacks comes from within Nigeria, for example from former soldiers.