OP, if you are worried only about your BTC savings, you can keep calm, there are no danger to your bitcoins. Your bitcoins are safe as long as you have private keys.
I had some on Yobit. received my bcc a few hours ago. i believe yobit will support btc and bcc.
Did you have it already? It did not split yet, it is still 31. Or did you bought BCC in anticipation? If you did, good luck, I hope people don't dumped on your bcc.
All users who had Bitcoins on Yobit already received Bitcoin Cash on 1:1 ratio few hours ago. Hope they will not put BCC wallet on maintenance, lol.