The broken traffic light after the crash
A man was taken to hospital with "life changing" injuries after his car overturned.
Metropolitan Police were called to Wood Street, Barnet at around 5.30am on Sunday after a car overturned.
The car hit traffic lights at the junction near St John the Baptist Church, causing the road to be closed.
The man, who is in hospital with his injuries, has also been arrested on suspicion of drink driving.
The road was reopened at 9.10am on Sunday.
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