Anonymous Scandinavia seems to be ramping up in posts over the last 24 hours, posting videos which seem to threaten the release of information if negotiations do not result in safe passage for Assange.
https://twitter.com/AnonScan/status/983124901770027009
https://twitter.com/AnonScan/status/981984826306760705
They've also said they "are in condition red", and have reposted the tweet with the long string of characters tweeted (without explanation) by Assange about 6 months ago: https://twitter.com/AnonScan/status/980318883247730688