Some websites are not showing up in Google News search results. The problem appears to be hitting some websites in the web version of Google News. On Twitter, users are reporting that they are not able to access their websites on main Google News feed. Google has confirmed it is aware of indexing issues affecting some websites. Google also noted that some web publishers cannot use the URL Inspection tool within the Search Console. There’s nothing publishers or readers can do until Google fixes the issue on their end.
Source: https://www.bleepingcomputer.com/news/google/google-news-bug-preventing-new-stories-from-being-indexed/