This incident was caused by unexpected consequences of scheduled maintenance that was not classified as service affecting. Further information or RFO is available from our support teams.
Once again, apologies to those affected by this disruption.
During this brief period we identified disruption via upstream transit routes. Initial investigations indicate this may be related to unexpected effects of scheduled maintenance.
When we have more information we will update customers.
There is no reason to expect any further effects of this.
Apologies to anyone impacted by this event.