There is a RED DAWN type movie Australia version out there.
I believe it is this one Tomorrow When The War Began.
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwioyvTn7KvqAhXFHM0KHQzpAHQQwqsBMAB6BAgMEAQ&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3D9KaX0F8GojI&usg=AOvVaw2XcwmjB7gGQ9SIopAxh5ds
I think I actually saw that.