The teen gunman who shot himself dead after critically wounding a fellow student at their suburban Denver high school legally purchased the shotgun and ammunition he used in Friday's rampage at Arapahoe High School, according to Sheriff Grayson Robinson.
A vigil being held in Arapahoe for 18-year-old Claire Davis, who was critically injured in the school shooting.
The attack by Karl Pierson, 18, lasted less than a minute and a half, the sheriff said.
More top news
ITV Border Political Editor Peter MacMahon says we've just seen a emotional former SNP MSP appearing to concede that the Yes side has lost.
ITV Border Political Editor Peter MacMahon says it's far too early to call this referendum.
A World War Two veteran has told ITV News he has fulfilled a boyhood dream by voting for an independent Scotland.