More info from Croatian news sources here (English):
Remnants of Aerial Bomb Found in Drone That Crashed in Zagreb
https://www.total-croatia-news.com/politics/61114-remnants-o...
“He said that it was a Soviet-made unmanned aerial vehicle, but that it was still unclear whether it had come from the Russian or Ukrainian side.
"We will be able to say what its purpose was only after an analysis. This type of bomb was used by aircraft," he added.”
