It’s unclear to me when and how exceptions are made to this policy, but there have been plenty of “world news” stories on Ukraine / Russia lately.

Here are a few I posted that made it to the front page:

* Russia's top bank quits Europe due to sanctions: https://news.ycombinator.com/item?id=30528503

* Russia Makes Calling Ukraine War an 'Invasion' a Criminal Offense: https://news.ycombinator.com/item?id=30556430

* Russians are trying to flee – data from Google Trends: https://news.ycombinator.com/item?id=30568557

* Russia to restrict Facebook access for 'censoring' its media: https://news.ycombinator.com/item?id=30469237

I know there have been many others. You could also try searching for ‘Ukraine’: https://hn.algolia.com/?q=ukraine or ‘Russia’: https://hn.algolia.com/?q=russia