Biden says Trump's `toxic tongue' linked to U.S. mass shootings

Democratic presidential front-runner and former U.S. Vice President Joe Biden accused President Donald Trump of fuelling the white supremacy that’s blamed for several mass shootings in the United States, according to a speech Biden was due to deliver on Wednesday.

Biden, 76, was scheduled to speak in Iowa after back-to-back mass shootings this past weekend in the United States. In the first, on Saturday, a gunman killed 22 people in El Paso, a Texas city on the border with Mexico. Law enforcement agencies say he apparently was driven by hatred...