The slayings of three Muslim students in the North Carolina university town of Chapel Hill which sparked outrage amongst Muslims worldwide.
Killings of US Muslim Students Attract Worldwide Grief, Outrage

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Students gather during a vigil on the campus of the University of North Carolina for Deah Shaddy Barakat, his wife, Yusor Abu-Salha, and Yusor's sister Razan Abu-Salha, who were killed in Chapel Hill, N.C., Feb. 11, 2015.