It's pretty clear there's no previous, as they're all cycling along with no cars, then one car passes, and then immediately the Land Rover, which overtakes across the mini roundabout, with no space in front to go, and then pulls in a bit, squeezing the cyclist. I think the reason it only takes...
Not sure if you're being serious. It was started by the driver getting close to the cyclist when overtaking, and then blocking the cyclist, as there wasn't room to overtake in the first place.