US mass shootings: Trump visits Dayton and El Paso

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Donald Trump has met emergency workers and survivors of the mass shooting in the Texan city of El Paso, in which twenty- two people were killed. Saturday's apparent hate crime has sparked a row about the president's use of anti-immigrant rhetoric; officials in Mississippi have carried out one of the biggest workplace raids in the United States in years against suspected illegal immigrants; and scientists have produced a vodka made with grain grown inside the Chernobyl exclusion zone in Ukraine -- the scene more than three decades ago of the world's worst nuclear accident.