There are network issues in our European datacenter, and we are working with our datacenter engineers to resolve the problem.

The problems are caused by power outage in one of the server rooms. We have people on-site working on a solution.

2014-05-19 14:41 UTC: power has been restored to the server room and servers are starting to come back online.

2014-05-19 15:02 UTC: Most of the servers are back online and we are scrutinizing them.

2014-05-19 18:10 UTC : all servers affected by the power outage are back online, with two exceptions:

2014-05-19 20:25 UTC: all servers are back online

We will update this post as more information becomes available.