Footage shows aftermath of cinema shooting
20 July 2012 Last updated at 11:28 BST
Unverified footage of the scene immediately after the US cinema shooting in the US city of Denver has been posted on YouTube.
The video shows witnesses being escorted by police out of the cinema complex, some with blood stains on their clothes.
Police say at least 12 people were killed during the shooting at a Batman film screening.
Tim Willcox reports.
Footage courtesy YouTube