From Huff Po:
LOS ANGELES -- Authorities say at least 10 people suffered minor injuries inside a crowded Walmart store in Los Angeles after a female shopper used pepper spray during a confrontation.
The incident occurred shortly after 10:20 p.m. Thursday in the San Fernando Valley as shoppers looking for Black Friday deals were let inside the store.
Shawn Lenske, a Los Angeles fire spokesman, said the injuries, all of them minor, were due to "rapid crowd movement."
Police Lt. Abel Parga says a woman used pepper spray, hitting other customers. It's unknown what caused the confrontation.
Parga said police were looking for the woman. No arrests have been made.
A witness told NBC4 that the incident broke out in a line of shoppers waiting for the new XBox 360.
The witness said a woman with two children in tow did not like the way people were pushing in line, and she pulled out pepper spray and sprayed the other people in line. It is not clear yet what happened to the alleged pepper sprayer.