Attempting to log in (username jkommelb) and just getting "loading game" indefinitely. Tried two different browsers, no luck.
I am in the US and was attempting to play with someone in another area of the US. We both had this issue.
Update: Logon is working again
Yes, there were other reports as well around that time. There are several people now who can do an emergency server reboot, but they might not be online all the time.