This incident has been resolved.

Retrieval of s3 assets for governor sites has been repaired. Issues with image and asset uploads still being experienced due to Issues creating objects on s3.

AWS has implemented changes to mitigate S3 issues and is seeing service recovery. https://status.aws.amazon.com/
Some customers still experiencing Intermittent issues with dashboard access and site assets.

The incident is related to S3 issues in the US-East-1 region, see https://status.aws.amazon.com/.

We are currently investigating this issue.