Longer version of the video from above can be seen here, including showing the marshall waving yellow until almost the moment of impact and being slow to change back from green to yellow again (was he unsighted and thought the tractor was behind a tyre wall and safe? hence the change to green?)...
The BBC, but to be fair to them the TV pictures never showed Bianchi or his car at any point prior to the stopping of the race, and apart from a quick caption showing Bianchi's name and a shot of Sutil's car, there was nothing in the pictures to suggest anyone else had gone off there.
Apparently Spanish TV have footage of the crash but it isn't being shown elsewhere because it is so bad. Bianchi went under the tractor being used to pick up Sutil's car and because of the large wheels on it, his head hit the bodywork as the car passed under it.
Murussia test driver Maria De...