Fake? Guys, please get a grip.
this happened on a military airstrip with an airplane used and owned by the military/government. There is plenty of photographic evidence as much as the 3 movies, they all correspond.
Nobody knows what happened yet, it is questionable whether the Russian air force will ever publish a report about it, they are certainly not required to bring this into the open. However, Tupolev Design Bureau as well as MAK will want to know, as this type, at least the "M" Variant of it, is still used widely in passenger service.
It remains to be seen whether what did happen occurred after lift off or even before, such as a maintenance issue. The aircraft had been stored for 10 years, run up last week and was supposed to do a first test flight when the incident occurred. Obviously, it will need another one once they set right what went wrong here.
Rumours from Russia speak of a massive hydraulic problem. This makes sense to an extent, however there does not appear to have been a full loss of flight controls. At least part of them worked, as it is visible from the pictures. The landing gear remained extended, possibly planned but not necessarily so. The aircraft took off with flaps in normal take off position, but apparently landed without flaps extended. On the picture posted (no 11 in the sequence), one spoiler is seen extended as well as a slat. Especcially the lone extended slat is far from normal. So a massive hydraulic/flight control malfunction is certainly very likely.
In more than one way, it is testament to how massive the Tupolev is built that it survived this. It is testament to the skill of the flight crew that they managed to get this aircraft on the ground and how they did. I do hope that the fact that this videos and pics have gone around the world will prompt the Russian Air Force to tell what really happened. I think they owe it to the crew to do so, so we may fully appreciate the extent of the emergency and how it was dealt with.