Sakura Kokumai was minding her own business while training in a park when she was accosted by a stranger ... in the latest disturbing example of anti-Asian sentiment in America.
The U.S Olympic karate athlete says she was at a park in Orange, CA last week when the angry man began yelling at her out of nowhere ... so she recorded it.
The man makes several threats and hurls insults at Sakura before finally getting in his car to leave, but not before she says she heard him drop some racial slurs as well.
She describes the incident as horrible, adding .