UPDATE 9.30pm: It looks PSN is back on its feet after downtime earlier today for Virgin Media users.
In a forum post, Virgin Media said it had resolved the issues. We're now able to log in to PSN ourselves.
ORIGINAL STORY 5.30pm: PlayStation Network is down for some users.
We're unable to get online with our PlayStation 4, which says PSN is down for maintenance. The PlayStation Store is currently offline, too.
Sony's pointed the finger at Virgin Media, although we've received reports that users of other internet providers are also unable to use PSN.
Virgin has said it's aware of the issue and investigating.
We are currently investigating reports that some customers are experiencing issues using PSN, for more informatio... https://t.co/YUbvfi8CrV— Virgin Media (@virginmedia) September 27, 2017
We'll update as we get more.