As of this writing, seven are dead, fourteen injured.
There are a few videos of the incident on the internet, including this one:
Ugly stuff. Not sure how I feel about this yet - whether it falls in the unfortunate *hit happens category or whether there needs to be a look at the training and proficiency of the pilots doing these types of airshow maneuvers. Way too early to tell…
BeachAV8R
It is, as you say, too early to say, but there has been lots of airshow crashes lately…
Pretty scary accident, they say the death toll could go as high as 20.