The gunman in the Colorado high school shooting has been identified by Arapahoe County Sheriff Grayson Robinson as 18-year-old Karl Pierson.
The gunman was found dead at the scene at Arapahoe High School in Denver.
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Democrat presidential hopeful Hillary Clinton begins her New Hampshire campaign but young and female voters are opting for Bernie Sanders.
Some southern counties have seen their windiest winds of the winter so far today.
A man in his 50s has been shot dead in Dublin, three days after a fatal shooting at a nearby hotel.