I still think its Virgin as much as they are denying it, the issues all started for people around Midday Saturday which was the same for me too. I keep seeing them telling people on Twitter saying its not them at all but then send me this in DM after I flag up you told me different..
We understand how important it is to get this resolved. We've raised the issue to our relevant team. Please rest assured, we're prioritizing this matter and will get this resolved at the earliest possible. We appreciate your kind understanding regarding this