The World: New York - YouTube ordered to remove unauthorised content

Viacom has ordered YouTube to remove more than 100,000 unauthorised video streams of Viacom content from the Google-owned video-sharing site.

The request follows a similar order last year, to which YouTube complied. Clips of Viacom-owned shows such as The Daily Show have crept back on to the site.

Viacom said: "Filtering tools promised repeatedly by YouTube and Google have not been put in place. It continues to host vast amounts of unauthorised content."

Viacom claims the missed revenue opportunity is as much as $48 million, based on ads on

A YouTube spokesman said: "We have received a DMCA takedown request from Viacom and we will comply with it. We take copyright issues very seriously. We prohibit users from uploading infringing material."