20 July 2012 Last updated at 20:14

As it happened: Shooting at Batman film showing

Key Points

  • Twelve people have been killed and 59 injured in a shooting at a Batman film premiere near the US city of Denver
  • A gunman wearing a gas mask set off gas canisters and then opened fire at the Century Theater cinema at the Aurora Mall
  • A 24-year-old local white American man, James Holmes, was arrested near the scene
  • All times BST

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