当地时间7月28日晚，美国纽约市曼哈顿，一名男子手持步枪走进公园大道345号的一栋办公楼。据报道，曼哈顿一栋高层办公楼内发生枪击事件，造成包括一名警察在内多人死伤。枪手作案后在楼内饮弹自尽。
【编辑：李骏】
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