Mysterious Object Explodes in Poland! Volcanic Activity?

In Poland's eastern region, a mysterious object fell into a cornfield and exploded. The details of the incident are under scrutiny.
The explosion occurred 100 kilometers from the Ukrainian border. Fortunately, there were no casualties or injuries, but some windows were shattered due to the blast.

Charred metal and plastic remnants were found at the scene. The Polish Air Traffic Center suggested that the object could belong to an old propeller engine.
The Polish Armed Forces confirmed that the airspace is under control and that there has been no violation. Security measures have been heightened.