The news this morning is reporting only four people injured, none seriously, which is quite miraculous.
I think two aircrew and one apartment dweller killed.
Two remaining aircrew miraculously crawled out of the wreckage.
I watched the video, and it appears that perhaps an engine fire was undetected to appoint that once the crew knew it, the tail boom was compromised and broke off in flight. They appeared to enter auto rotation, and at that point became passengers.