We've now resolved the incident. Thanks for your patience.
We've fixed the core issue, things have been recovering over the past 30 minutes and the systems are now running as expected. We will continue to monitor for a period of time prior to resolving this incident.
We've confirmed there is a problem and are working to resolve the issue as quickly as possible. We should have a further update in the next 60 minutes.
There is currently an issue with some application services causing performance issues. This is being investigated.