Rihanna's bodyguard fight stripes jacket denim assault

As far as we can see, these are NOT photographers Rihanna's bodyguard appears to be assaulting, they're civilians!

Rihanna was shopping on Robertson Blvd in West Hollywood yesterday, and apparently someone got too close for comfort because we spotted her bodyguard hurling a soda can at a man (and going after several fans who appeared to be trying to talk to the R&B starlet). Wonder if anyone's going to sue? And what's the bodyguard's side of the story?

They looked as stunned as we were:

Rihanna's bodyguard fight stripes jacket denim assault