Woman grabs knife from would-be attacker and chases him out the door (video)

A red-capped crook wielding a large knife barged into a Los Angeles mini mart and tried to rob a woman working at the cash register. But after he assaulted her behind the counter, the tables turned when she fought back, snatched the knife away, and chased the frightened gentleman right out of the store.

(See videos below, posted by Amy Powell and ABC7.)