Armed student opens fire in U.S. high school, killing 10 people

Texas Governor Greg Abbott speaks at a press briefing in Santa Fe, Texas, the United States, May 18, 2018. Ten people were killed and another 10 wounded on Friday when a student armed with a shotgun and a revolver opened fire at a high school in the U.S. state of Texas in the latest incident of gun violence against students. (Xinhua/Steven Song)