Bruno's been removed from YouTube by Viacom, who own MTV. Why?

The video of Sacha Baron Cohen falling into Eminem at the MTV awards is sharply finding its way off the internet. Viacom International, the company that owns MTV, has requested the removal of a lot of the footage from YouTube.

Odd, since as MTV seems to have reported the incident, complete with pictures, across the globe- see here- what’s that about?