as you probably know, the EU servers lagged like hell this weekend (to the point I actually didn’t play during the event, although I really wanted to) and according to some player accounts (bit busy to try myself), they continue to do so.
The good thing about the situation is that unlike the usual “talk to your ISP” attitude, Wargaming EU acknowledged the issue and they are working on it.
iScending (EU staff) has created a thread, where he posted regular updates yesterday. Today nothing so far, but if you want to know as fast as possible about this issue, you can follow it here:
I will follow it myself and will let you know when there are any news about this issue.