Las Vegas gunman was professor turned down for job, reports US media

Girl, 14, shoots student dead before killing herself at Russian school

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4 dead in Las Vegas campus shooting, including suspect, and one injured

Suspect arrested after Texas shooting spree leaves six dead

Palestinian-American student shot in Vermont is paralysed

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Thai Paralympian kills 5 at his wedding party, including himself and his bride

Rapper A$AP Rocky ordered to stand trial in Los Angeles on assault charges

Mother of 6-year-old US boy who shot teacher sentenced to 21 months jail