I have a hard time imagining Soyuz and Proton NOT flying from Baikonur, but of course there's Plesetsk and some other domestic options...http://www.russianspaceweb.com/centers.html
This must have to do with payments to Kazakstan, either there is an issue with the lease, or someone wants more money. Such pronouncements come every once in a while but nothing happens.
http://izvestia.ru/news/574691This conclusion follows from the budget projections for the coming yearsЧитайте далее: http://izvestia.ru/news/574691#ixzz39Fi7sLplThe translation is not clear what's happening, maybe someone can add to the understanding.