This is from the Bahrain Grand Prix, happening today in, uhh, Bahrain. Driver Kimi Räikkönen appears to release from the pit before the crew is ready, and this guy’s leg is immediately in front of the rear tire. Fair warning! The video is extremely fucking gross:
Here’s another look, a cell phone video from the stands. Oh God, the leg.
The pit worker is identified only as Francesco in various reports, and though I would not have been surprised at all to learn far worse news, it appears that his injuries are confined to that gnarly-ass leg: