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People attend a vigil for the victims of the shooting at Marjory Stoneman Douglas High School at Pine Trails Park in Parkland, Florida, the United States, on Feb. 15, 2018. At least 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at a high school in the U.S. state of Florida, authorities said. (Xinhua/Monica McGivern)
