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A man is fighting for his life after crashing into a parked car this morning.
The 73-year-old driver slammed into a stationary truck on Birralee Road in Regency Park, Adelaide at 7.30am.
His car became stuck under the truck before he was freed and rushed to the Royal Adelaide Hospital.
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"He was unconscious and was in a critical condition and I think he has sustained some catastrophic head injuries," paramedic Nathan Park said.
Police are investigating if the man from Tennyson suffered from a medical episode before the crash.
