It used to be here http://vk.com/wall-57424472_7256 now it's gone http://i.imgur.com/VmwbElq.png

oh and here is them bragging that they've captured Buk http://oi58.tinypic.com/29gmnah.jpg

I think it's pretty clear

EDIT: there is another image of it https://pbs.twimg.com/media/Bswy4VtCUAAJCDS.jpg:orig Worse still it is stationed between houses using their own people as human shields