It doesn't look like pig for me.
About the Wave I very good remember about these window fallers. There are quite a lot of reports about chupacabra in Ukraine. These reports have been coming for few years.
For example 2 recent of them :
It happened of the 2012 New Year celebration night in Odessa. This creature attacked a man he is guard of an avtobase. The creature push him into his chest. All the dogs that were around hid away.
It was reported on 26/07/2012. It happened in Ivano-Frankivs'k region. It sucked out all the blood from the 26 chickens and 20 nutrias of the one them who was breeding them. His dog was also scared. Usually he barks at everyone, but from that moment on he stopped barking at people at general. The dog got on his back some scar from a claw.