Denver Police spokesman Sonny Jackson said investigators are looking for one or two suspects, asking festival attendees for possible photo or video of the shootings.

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The company is not saying it is responsible, nor is it saying it's not, said spokesman Sonny Cranch.

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He said he believed Sonny's death may have occurred between 0700 BST, when a neighbour heard a DVD playing in his room, and 1020 BST, but believed it was probably closer to 0700.

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Mrs Gibson, a care assistant, said she checked the usual places Sonny liked to hide, such as behind the settee and in wardrobes.

BBC: Ashbourne mother relives tumble-dryer death horror

"It's about Sonny Bill getting a package that reflects his status, " Orr said.

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