I'd re-iterate that all roads around airshows within a sensible range should be closed during the airshow as a result of this.
If it makes events like Shoreham no longer viable then so be it.
Shoreham in particular looks a ludicrous place to hold an airshow in hindsight, it's surrounded by housing.
Two victims named;
Worthing United footballer Matthew Grimstone, 23
Matt Jones, 24