Images missing from some posts

For quite some time now, all the images are missing when I view posts from in the Android app. They must be in the feed, because I can see the images just fine in the Newsblur website in Chrome on Windows 10. As an example, this morning’s post on immigration statistics is missing the chart in Android.

For a contrast, the photos at are working correctly on Android.

Any thoughts? Thanks.

(Android notes: Samsung S5 Active, Android 6.0.1, Newsblur 8.0.0)