brake lights, and it looks like someone had already smashed his rear window (on the right side)????
I’m not saying the driver has no fault, of course, but braking and also being assaulted may go to his state of mind and intentions.... I haven’t studied all the photo and videos, but a driver’s panic reaction to a violent mob would be a different matter, both morally and legally, than a premeditated driving attack as it’s usually being described.