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Colorado school shooting: Gunman dead, two students injured

13 December 2013 Last updated at 22:36 GMT

A student who is believed to have brought a shotgun into a school in Arapahoe County, Colorado has been found dead of an apparent self-inflicted gunshot wound, US sheriffs have said.

Two students have been injured - one when they confronted the gunman.

Jonny Dymond reports.

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