Ukrainian Official Outlines Intentional Ambiguity on Strikes Inside Russia – The New York Times

The strikes have been one of the most intriguing, and opaque, new elements of the recent fighting. But when it comes to confirming their origins, “we don’t say yes and we don’t say no,’’ said the official.
— Read on www.nytimes.com/2022/04/30/world/europe/ukraine-russia-attack-denials.html