Chilling security footage shows sushi chef being randomly stabbed by a homeless woman while she was walking down the street to work.

Wan Lai, 26, was walking down the sidewalk in a busy area of Melbourne, Australia, when a red-headed stranger ran up behind her, tapped her on the shoulder and plunged a knife into her chest.

Lai, clearly stunned, clutches the wound and slowly sits on the ground as a good Samaritan runs over to help and offers Lai her coat, according to the clip.

She was rushed to the hospital where she spent three days recovering from a punctured lung, the Sun reported .

The assailant, identified as 32-year-old Lauren Dural, was arrested soon after the Oct. 2 morning attack and charged with intentionally causing injury and committing a crime while out on bail, accordi

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