article_snippet.sent: The group working in the North-West has been accused of filming the attacks, the latest of which was on Saturday, and then sending online messages demanding money to keep the film secret.
article_snippet.sent: Other members of the group filmed a second similar incident.
article_snippet.sent: The video was then posted on Facebook with the tag 'NWI Nonce Busters' - believed to be a reference to right-wing group the North West Infidels.
article_snippet.sent: The video has since been taken down.