Posting on Instagram, Johnson revealed that the accident had occurred late on Wednesday night, and shared a picture of the damaged vehicle.

Authorities previously said the crash was being investigated as a felony driving-under-the-influence (DUI) incident.

The US actress suffered a “severe anoxic brain injury” due to the incident which took place last Friday.

The US actress remains in a coma in critical condition due to the incident.

The 53-year-old was taken to hospital following the incident on Friday morning.

The incident occurred on Friday morning in the Mar Vista area of Los Angeles, near to Ms Heche’s home