From latest news:
A PZL M-28B "Bryza" aircraft crashed today at military airfield Gdynia-Oksywie (EPOK). All crew is confirmed to be dead (most probably 4 people).
The plane was making her practice flights over the airfield. Then - according to eyewitnesses - one of her engines was damaged. The pilot tried to land safely, but didn't managed to... On the scene a huge fire was seen.
No more information as for now...