We continue to monitor the situation. Google has updated their status page with more information on the outage: https://www.google.com/appsstatus#hl=en-GB&v=issue&sid=1&iid=74a7efa47b9de665d02699bbe9dd11fc
Latest update from Google:
"Our team is continuing to investigate this issue. We will provide an update by 02/06/2019 23:33 with more information about this problem. Thank you for your patience.
We are experiencing high levels of network congestion in the eastern USA, affecting multiple service in Google Cloud, GSuite and YouTube. Users may see slow performance or intermittent errors. We believe we have identified the root cause of the congestion and expect to return to normal service shortly."