Digging to find out who was on the craft and their importance.
7/10 Targeted
Geez, seems tail rotor DETACHMENT is not uncommon on a Robinson.
https://www.9news.com.au/national/helicopter-crashes-after-tail-rotor-detaches-at-bankstown-airport/0a0287bd-b690-4cc5-974a-70e69493c6a7
Appears to be an unfortunate student training accident. More details will shed light.
Keep watch on NTSB