Surveillance video caught the scary moments when a crook went behind a convenience store counter and held a knife against a female cashier’s waist — only to see the tables turned on him when the gutsy cashier wrestled the weapon from his hand and chased him out of the store.

Video shows a customer purchasing items from Amaya’s Mini Market in the Westlake neighborhood of Los Angeles just after 2 p.m. Thursday, KNBC-TV reported.

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