Anne Heche's death ruled out to be an accident

Anne Heche's cause of death was determined to be due to 'inhalation and thermal injuries'

She also suffered "sternal fracture due to blunt trauma"

Her death was listed on the coroner's report as Thursday, Aug. 11.

The actress was removed from life support on Sunday and died at the age of 53.

In a video captured from the Aug. 5 scene moments after the collision,

Heche was wheeled out from the burning home on a stretcher

by firefighters with a white protective sheet covering her body.

Officer Norma Eisenman told there will be no further investigative efforts made in this case.

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