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Mexican drug gangs fighting a bloody turf war may have found a new battleground on the pages of online video service YouTube.
On the site, rivals taunt each other with blood-soaked slideshows and film of their murder victims.
One popular video on the site shows a man being shot in the head. It has been viewed more than 280,000 times.
A stomach-churning series of photos shows another execution victim, his missing face a mangled mess of flesh.
A YouTube spokesperson said it was up to users to flag footage as inappropriate.