In the entire Cyrillic LJ something with the encoding
Go to any Cyrillic blog in LiveJournal and watch the beautiful:
The exact time of occurrence of problems is difficult to determine, but the first message on Twitter about this appeared at 20:02 UTC. ')
On status.livejournal.com are silent for now.
UPD: A message appeared (dated 20:19 UTC) that "we’ve been working out shortly."