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WikiLeaks, a website that publishes anonymously sourced classified documents, has released video footage of what it says is a US military attack on Iraqi civilians in Baghdad.

Al Jazeera cannot independently verify the footage, but Wikileaks says the images are from a military video from 2007, in which 12 civilians were killed.

As Al Jazeera's Patty Culhane reports, some viewers may find the footage in the report disturbing.

Source: Al Jazeera