An anonymous reader writes: "School security guards in Palmdale, CA have been caught on camera assaulting a 16-year-old girl and breaking her arm after she spilled some cake during lunch and left some crumbs on the floor after cleaning it up. The girl, Pleajhai Mervin, told Fox News LA that she was bumped while queuing for lunch and dropped the cake. After being ordered to clean it up and then re-clean the spot three times, she attempted to leave the area out of embarrassment but was jumped on by security who forced her onto a table, breaking her wrist in the process."